Escalator entrapment ne moving nantew kwan a egye ntɛmpɛ¶

Escalators and moving walkways (autowalks) are heavy-duty industrial chain conveyors operating inside shopping malls, subway stations, airports, and stadiums. Driven by high-torque electric motors ranging from 7.5 to 30 kilowatts (10 to 40 horsepower) coupled through worm-gear reduction drives, a moving staircase is engineered to haul dozens of tons of human passenger weight simultaneously without slowing down. Because the drive motor is designed to maintain constant speed regardless of passenger load, the machine cannot "feel" the resistance of a child's foot, a soft rubber clog, a trailing shoelace, or a long garment being pulled into a gap.

When a shoe, finger, or garment snags inside the side skirt clearance or under the exit comb plate, an escalator acts as an unyielding mechanical shear press. Survival and limb preservation depend on knowing the exact anatomical location of the red Emergency Stop button before stepping onto the staircase, cutting or slipping out of trapped footwear before reaching the top or bottom landing comb plate, and never attempting to pry apart steel steps without firefighter hydraulic spreaders once a limb is pinned.

Yɛ eyi mprempren¶

1. Hit the red Emergency Stop button at the top or bottom landing immediately: If anyone's shoe, clothing, stroller, or hand catches in an escalator or moving walkway, shout "Hit the red stop button" to bystanders at the landings while running to press it yourself.
2. Warn passengers to brace on the handrails before pressing stop: Hitting the emergency stop button cuts motor power and engages the mechanical brake, bringing the staircase to a brisk halt that can pitch unbraced standing riders forward; shout "Hold the handrail, stopping escalator" as you slam the button.
3. Slip your bare foot out of a trapped shoe or cut a snagged shoelace: If your shoelace, boot, or soft rubber clog is caught between the moving step and the side skirt while moving toward the landing, pull your bare foot straight out of the shoe or rip/cut the lace immediately before the step reaches the comb plate teeth.
4. Never try to pull a trapped limb straight out once the escalator stops: If fingers, toes, or soft tissue are wedged beneath the comb plate or inside the side skirt gap after the machine halts, pulling forcefully will tear skin and nerves (degloving); support the limb still and wait for Fire and Rescue technical extrication.
5. Call emergency services and ask for Heavy Rescue and EMS: Dial your local emergency number (911 in the United States and Canada, 112 across the European Union, 999 in the United Kingdom, or see our nɔma ahorow a egye ntɛmpɛ directory) and report an active escalator mechanical entrapment so firefighters bring hydraulic spreaders and socket tools.
6. Never walk onto a stopped escalator that is undergoing maintenance: A stationary escalator with removed step treads or an disengaged main brake can suddenly roll backward under passenger weight like a runaway treadmill, dropping riders into the open steel drive truss pit.

Escalator anatomy: mfiri 4 a wɔde kyere nneɛma¶

Sɛ wɔte baabi a antweri ne sɛnea antweri ne akwan a wɔfa so nantew kyere mpaboa, nsa, ne ntade ase a, ɛboa wɔn a wɔtete apɔnkɔ so no ma wɔkwati gyinabea a asiane kɛse wom na ɛboa wɔn a wɔrehwɛ no ma wohu baabi a ɛsɛ sɛ wɔma obi a wapira no gyina.

Why soft foam clogs and flexible rubber boots are uniquely vulnerable¶

Over the past two decades, pediatric trauma centers and elevator/escalator safety regulators worldwide have documented thousands of severe foot entrapments involving soft, pliable ethylene-vinyl acetate (EVA) foam clogs and thin flexible rubber rain boots.

Hard leather dress shoes and firm athletic soles maintain their structural shape when they brush against the stationary steel skirt wall of an escalator. In contrast, soft foam clogs and thin rubber boots combine two dangerous physical properties: an exceptionally high coefficient of sliding friction against steel (creating grab rather than slip) and low compressive stiffness. When a child stands at the far edge of a step and brushes the toe or side of a foam clog against the stationary side skirt, friction drags the soft foam backward and downward, stretching and rolling the thin rubber like dough into a gap only 3 to 4 millimeters wide. Because the foam compresses easily, it bypasses the skirt deflection safety switches until the child's toes are pinned deep between the descending step riser and the steel wall.

flowchart TD
    Snag["Shoe, Lace, Garment, or Limb Snags in Escalator"] --> Where{"Is the Escalator Still Moving?"}
    Where -->|"Yes (Approaching Comb Plate)"| Button["1. Scream HIT THE RED STOP BUTTON at Top/Bottom Landing"]
    Button --> Shed["2. Immediately Pull Bare Foot Out of Shoe or Rip/Cut Trapped Garment"]
    Shed --> Clear["3. Step Over the Comb Plate Onto Solid Landing Floor"]
    Where -->|"Stopped With Limb Pinned Inside Gap"| Freeze["1. Engage Red Stop Button Fully and Post Guard so Nobody Resets It"]
    Freeze --> NoPull["2. DO NOT Pull Limb Forcefully or Try to Pry Steps With Crowbars"]
    NoPull --> Call["3. Call Emergency Services (911 / 112 / 999) for Fire Heavy Rescue + EMS"]
    Call --> Support["4. Support Trapped Limb Weight, Control Bleeding With Direct Pressure, and Calm Casualty"]
    Clear --> CheckInjury{"Any Bleeding, Deformity, or Crush Pain?"}
    CheckInjury -->|"Yiw"| Support
    CheckInjury -->|"No (Shoe Only Trapped)"| Notify["Gyae Mpaboa a Akyea wɔ Afiri mu na Bɔ Ɔdansi Ahobammɔ/Mfiridwumayɛfo amanneɛ"]

Mmeae pɔtee a Red Emergency Stop Button no wɔ¶

Wɔ antweri so ntɛmpɛ mu no, wɔn a wɔrehwɛ no hwere sikani a ɛho hia a wɔde hwɛ ɔfasu anaa ɔdan no atifi hwehwɛ control panel efisɛ wonnim baabi a mmara hwehwɛ sɛ wɔde ntɛmpɛ gyinabea switch no si hɔ. Wɔ Amerika Atifi fam (ASME A17.1 / CSA B44) ne Europa/Amanaman Ntam (EN 115) ahobammɔ mmara nyinaa ase no, antweri biara ne ɔkwan a wɔfa so nantew a ɛkɔ baabiara no wɔ anyɛ yiye koraa no, nsaanodwuma a wɔde gyina Emergency Stop buttons abien, biako wɔ soro a wɔde si fam na biako wɔ fam a wɔde si fam:

1. Lower Balustrade Newel Base (Most Common): Hwɛ handrail support wall (newel no) no awiei a ɛyɛ kurukuruwa no wɔ baabi a wotiatia antweri no so anaa wusi fam no pɛɛ, mpɛn pii no wɔ nifa so a ɛhwɛ anammɔn no, bɛyɛ sentimita 15 kosi 45 (nsateakwaa 6 kosi 18) wɔ fam (ankle to knee height) anaasɛ ɛwɔ curved nose of no ase tẽẽ nsaano nkyerɛwee no.
2. Upper Inner Deck Moulding: Wɔ aguadi aguadidan ne wimhyɛn gyinabea antweri pii so no, wɔde bɔtn kɔkɔɔ a wɔde piapia no ahyɛ ahinanan a ɛnyɛ dade a ɛnyɛ den deck trim no mu wɔ nsateaa a ɛkɔ soro no ase pɛɛ wɔ asen sorokɔ (bɛyɛ sɛntimita 90 / nsateakwaa 36 fi fam) wɔ mmeae abien no nyinaa a wɔde si fam no.
3. Abɔnten so Kar Bollard anaa Post: Wɔ nnɛyi keteke a ɛnam fam, metro, ne keteke gyinabea ahorow a kar pii fa so no, wɔtaa de bɔtn kɔkɔɔ foforo a ɛte sɛ nsenia ti gyina dwetɛ dua bi a ɛwɔ mita 1 kosi 2 (anammɔn 3 kosi 6.5) wɔ ɔkwan a wɔfa so si fam no anim.
4. Clear Flip-Cover Guard: Wɔde plastic hinged cover a emu da hɔ a wɔakyerɛw so sɛ "EMERGENCY STOP: LIFT COVER AND PUSH BUTTON" akata buttons pii so. Plastik kataso no a wɔma so no taa bɔ mpɔtam hɔ piezo buzzer de siw aseresɛm ano; ntwentwɛn wo nan ase bere a woma kataso no so no yɛ biep kɛse. Ma plastic a ɛwɔ anim no so na pia bɔtn kɔkɔɔ no denneennen kɔ mu kosi sɛ antweri no bɛbɔ breki ma egyina koraa.

Anamɔn biara mmuae bere a wɔde afiri a ɛyɛ nnam ahyɛ mu¶

Ɔfã 1: Ntade, mpaboa hama, anaa nneɛma a ayɛ mmerɛw a wobɛma wo ho ansa na woasi fam¶

Sɛ wo mpaboa hama, wo mpaboa hama, wo atade tenten, anaa wo atade no su kɔ comb plate no mu anaa anammɔn abien ntam bere a antweri no retu a:

• Mfa wo nsa nkɔ fam da sɛ wobɛbɛn mpaboa mprɛte a ɛrekɔ so no mfa yi kɔndua bi: Sɛ wode wo nsateaa to fam wɔ mpaboa hama a ɛyɛ den a wɔrebɔ wɔ anammɔn nkɔnsɔnkɔnsɔn no mu nkyɛn a, ɛbɛtwe wo nsateaa no akɔ ntama sẽ no ase tẽẽ wɔ sekan fã ketewaa bi mu.
• Hwe wo nan fi mpaboa no mu ntɛm ara: Mia wo mpaboa foforo no nantin no so wɔ mpaboa a ayɛ mmerɛw no akyi na twe wo stocking nan no tẽẽ kɔ soro na fi adi. Gyae mpaboa no ma comb plate no nwe, na mpɛn pii no ɛbɛma comb plate impact switch no ayɛ jam na ama escalator no agyae ankasa.
• Tetew anaa twa ntama a akyea: Sɛ wɔkyere akataso, atade tenten, anaa akyi bag ahama na ɛtwe wo kɔ fam kɔ ​​anammɔn no so a, bue, bue zip, anaa twe fi atade no mu anaa fa abɔso no mu ntɛm ara, anaasɛ fa kotoku mu sekan anaa trauma shears twitwa ntama no mu yiye fi wo nipadua no ho.

Ɔfã 2: Sɛ wɔbɛma obi a wɔapirapira a wɔabɔ no pin no agyina bere a antweri no agyina pɛn no¶

Sɛ abofra nan, ne nsa, anaa ɔpɔnkɔsotefo nan akɔhyɛ anammɔn a ɛda ntam no mu dedaw anaasɛ ɛwɔ ntama a wɔde hyɛ mu no ase bere a afiri no agyina no:

1. Fa obiako a ɔbɛhwɛ hɔ ma ɔnwɛn Gyina bɔtn no: Ma ɔpanyin bi a watu ne ho ama nnyina Emergency Stop bɔtn a wɔamia no so tẽẽ wɔ baabi a wɔde si fam no sɛnea ɛbɛyɛ a obi a ɔretwam anaa sotɔɔ mu kyerɛwfo a onnim hwee ntwe bɔtn no mfi mu anaasɛ ɔnnan safe switch no nsan mfi antweri no ase bere a onipa no da so ara akyere no.
2. Mma wɔn a wɔte hɔ no nhwehwɛ anammɔn a wɔde crowbars: Wɔde escalator anammɔn no fi aluminum a wɔde ayɛ die-cast a ɛyɛ ade biako a wɔde bolted abɔ roller nkɔnsɔnkɔnsɔn a emu yɛ duru so wɔ nhyɛso a emu yɛ den mu. Sɛ wobɔ mmɔden sɛ wode crowbar a wɔde siesie wo ho bɛhwehwɛ anammɔn bi ne nkyɛnkyɛn atade no ntam a wunnyim anammɔn no anaasɛ worennyae atade no so atade no mu a, ɛtaa paapae anammɔn a wɔde ayɛ aluminum a wɔabɔ no a ɛyɛ mmerɛw no mu asinasin a ɛyɛ nnam te sɛ ahama anaasɛ ɛma anammɔn no san san kɔ dompe a abubu no so.
3. Boa nea wapira no nipadua mu duru: Sɛ wɔde abɔ abofra bi nan abɔ anammɔn a ɛkɔ fam so wɔ ɔkwan a ɛyɛ fɛre so a, tena anammɔn a ɛwɔ wɔn ase ntɛm ara no so na fa wɔn asen ne wɔn nipadua mu duru bɔ wɔn ho so sɛnea ɛbɛyɛ a wɔn nipadua mu duru rentwe nkɔ fam wɔ nansoaa a akɔ fam no so.
4. Ma nea wapirapira no nyɛ komm na amma ɔhwe ase: Ɛyaw ne ehu ma mmofra a wɔakyere wɔn no twetwe wɔn nan na wɔkyinkyim wɔn nan, na ɛdan ntini a ɛyɛ mmerɛw a wɔde twitwiw wɔn nan mu no ma ɛyɛ abubuw a ɛda hɔ anaasɛ degloving tear a emu yɛ den. Kasa brɛoo, fa jacket anaa akatawia siw mpaboa anaa kuru a abubu no kwan wɔ wɔn ani so, na kura wɔn kotodwe mu pintinn kosi sɛ odumgyafo bɛba.

Ɔfã 3: Sɛnea odumgyafo ne elevator adwumayɛfo yɛ extrication¶

Sɛ Ogya ne Nkwagyefo mfiridwuma akuw a emu yɛ duru du baabi a asiane no sii no a, wodi mfiri a wɔde yiyi nneɛma mu ho nhyehyɛe pɔtee bi akyi:

• Main Disconnect Lockout/Tagout (LOTO): Odumgyafoɔ anaa adansiɛ ho mfiridwumayɛfoɔ bue abansoro a ɛwɔ soro no kwan a wɔfa so kɔ drive truss no so na wɔto main three-phase electrical breaker no mu sɛdeɛ ɛbɛyɛ a drive motor no ntumi nnya ahoɔden.
• Preventing Step-Chain Rollback: Ansa na wobebue anammɔn biara no, agyenkwafo hwɛ sɛ mfiri breki ne pawl lock a ɛboa no ayɛ adwuma, anaasɛ wedge nnua cribbing ntam anammɔn nkɔnsɔnkɔnsɔn ne truss frame ma enti akwantufo mu duru anaa anammɔn a ɛwɔ incline no ntumi mma antweri no nkɔ akyi fã ketewaa bi bere a nhyɛso no gyae.
• Hydraulic Spreading anaa Step Removal: Sɛ wɔde compact hydraulic spreaders (Jaws of Life), mframa a ɛwɔ nhyɛso kɛse a ɛma mframa kotoku a wɔde si anammɔn nipadua ne ɔfã a ɛne no bɔ abira ntam, anaa T-handle Allen safe a wɔde yi aluminum anammɔn anammɔn ankorankoro no fi ne soa aksel no mu di dwuma a, nkwagyefo trɛw asen no mu kwan a ɛyɛ milimita 4 no mu kɔ 50 milimita (nsateakwaa 2), na ɛma wotumi ma nan a akyea (a ɛda so ara wɔ mpaboa no nkae no mu) no so tẽẽ fi adi a wɔrentwitwa nea ɛto so abien.

Mmoa a edi kan a wɔde ma wɔ antweri so ahodwiriw ho: degloving, twa, ne lacerations a emu yɛ den¶

Escalator akwanhyia de ahodwiriw a emu yɛ den abiɛsa ba a aluminum step risers a ɛwɔ grooved ne serrated comb plate sẽ no de ba: deep parallel rake lacerations, soft-tissue degloving, ne digital (toe anaa nsateaa) amputations.

flowchart TD
    Free["Wɔagye Wɔn a Wɔapirapira Afiri Escalator Mfiri Mu"] --> Assess["Hwɛ Mframa Kwan, Ɔhome, ne Ntini Mu Mogya a Ɛretu Ntɛm ara"]
    Assess --> Bleed{"Ahodwiriwde a Ɛwɔ Hɔ?"}
    Bleed -->|"Mogya a Ɛtu wɔ Ntini/Ntini Mu a Ɛyɛ Den"| Direct["Fa Gauze a Ɛho Tew Fa Nhyɛso a Ɛyɛ Den Tẽẽ Di Dwuma; Fa Tourniquet High on Limb sɛ Mogya a Ɛde Nkwa To asiane mu no Kɔ so a"]
    Bleed -->|"Avulsed Skin Flap (Apira a Wɔde Bɔ Degloving) ."| Flap["MMA Ntwitwa Anaasɛ Ntwitwa Back Loose Skin Flap; Fa Flap San Fa Bbrɛoo To Abɔde mu Gyinabea na Fa Moist Sterile Dressing Kata So"]
    Bleed -->|"Toe anaa Nsateaa a Wotwa Awie"| Amp["1. Fa Sterile Gauze kyekyere Stump no yiye na ma so kakra"]
    Amp --> Part["2. San Fa Digit a Wɔatwa (Gyaw Mpaboa/Nneɛma a Asɛe Hwɛ Ma Odumgyafo sɛ Ɛkɔ Truss mu a) ."]
    Part --> Cool["3. Fa Digit kyekyere Damp Sterile Gauze, Seal wɔ Dry Plastic Bag mu, na Fa Bag ON Ice/Water Slurry (Nnever Direct Ice Contact) ."]
    Direct --> Shock["Ma Ɔyarefo no nyɛ petee, Fa Atade/Ntama Kata So na Ansiw Shock ano, na Fa Splint Limb"]
    Flap --> Shock
    Cool --> Shock

1. Mogya a emu yɛ den a efi serrated step lacerations mu a wobedi so¶

Aluminum a wɔde ayɛ antweri no ano a ɛyɛ nnam a ɛyɛ digrii 90 no yɛ adwuma te sɛ kyiisi a wɔde twitwiw nneɛma bere a obi hwe ase wɔ antweri a ɛretu so no, na ɛtaa twitwa akwan a emu dɔ a ɛne ne ho di nsɛ wɔ ne nan, ne nkotodwe, ne nsa, ne ne ti nhwi so.

• Fa wo nsa abien nyinaa mia gauze a ɛho tew a ɛyɛ den anaa kotoku atade a ɛho tew a wɔabobɔw so tẽẽ wɔ kuru a mogya retu no so. Hwɛ yɛn akwankyerɛ a ɛfa mogya a ɛtɔ kɛse ma mogyatɔw ho nhyehyɛe ahorow a edi mũ.
• Esiane sɛ wɔde mfiridwuma mu nkɔnsɔnkɔnsɔn mu srade, carbon mfutuma, ne mmɔnten so efĩ akata antweri no so nti, mmɔ mmɔden sɛ wobɛpopa srade afi akuru a emu dɔ a abue wɔ baabi a asiane no asi no mu; fa w’adwene si mogya a wɔhwere no a wobegyae so denneennen na wɔama ayaresabea nnuruyɛfo a wɔyɛ oprehyɛn a wɔde ma wɔapirapira no nsu gugu ntini no so na wɔtwitwa wɔ aduru a wɔde kum nipadua no mu no so.
• Sɛ wotwa ntini kɛse bi a ɛwɔ nan ase anaa nsateaa mu na ɛkɔ so de mogya kɔkɔɔ a ɛhyerɛn fa nhama a wɔde hyɛ mu tẽẽ so pue a, fa mframa a wɔde hyɛ mu a wɔtɔn no gu kuru no atifi sɛntimita 5 kosi 8 (ɛnyɛ nsateakwaa 2 kosi 3) wɔ kuru no atifi (ɛnyɛ kotodwe anaa nsateaa nkwaa no so tẽẽ da) na kyerɛw bere pɔtee a wode guu nea wɔapirapira no moma so.

2. Degloving opira (honam ani ne honam ani ntini a ɛpaapae) a wɔhwɛ so .¶

Sɛ wɔtwe rɔba mpaboa anaa nan a ɛda hɔ kwa wɔ anammɔn a ɛretu ne atade a egyina hɔ ntam a, tumi a wɔde twitwa ho no taa yi honam ani ne srade a ɛwɔ ase no fi ntini a emu dɔ no ho fi ntini a emu dɔ no ho, te sɛ nsateaa a ɛyɛ den a wɔayi afi mu.

• Kora honam ani milimita biara a ɛbata ho so: Sɛ wɔayi honam ani fã bi akɔ akyi nanso ɛda so ara de tissue bridge (pedicle) abata ho a, ntwitwa no da anaasɛ nbɔ no n’akyi. Fa honam ani aduru no san to raw tissue bed no so brɛoo wɔ ne anatomical alignment a ɛfata mu sɛnea ɛbɛyɛ a mogya ntini a ɛwɔ pedicle no mu no renkyinkyin.
• Fa gauze a ɛnyɛ sterile moistened kata so: Fa gauze a sterile saline-moistened (anaasɛ dressings a ɛho tew a ɛnyɛ nnam a wɔde nsuo a ɛho tew a wɔde ahyɛ toa mu afra mu) gu baabi a wɔayi nsateaa no so brɛoo, na fa akyi a ɛyɛ dry wrap a ɛnyɛ den di akyi na amma nsuo a ɛyɛ nwini na ntini no ayow.
• Immobilize and keep neutral: Sɛ wɔhyɛɛ nan anaa nansoaa no mu wɔ afiri no mu bɛboro simma 15 a, screen for crush injury and compartment syndrome na ma ɔhonam akwaa no nkɔ so gyina koma no so.

3. Nsateaa anaa nsateaa a wɔatwa no a wɔbɛkora so ama microsurgical replantation¶

Sɛ wɔde abɔso mprɛte no atwitwa nansoaa anaa nsateaa koraa a:

1. Di kan sa ɔyarefo no yare, ɔfã a wɔatwa no yare no nea ɛto so abien: Fa gauze kɛse a ɛnyɛ ɔyare mmoawa ne nhyɛso tẽẽ a ɛyɛ den siesie dua a mogya retu no.
2. Mfa w’ankasa wo nsa nkɔ escalator comb plate no mu da mfa nnye digit a wɔatwa: Ka kyerɛ odumgyafo a wɔreba no sɛ digit bi wɔ step return pan no mu sɛnea ɛbɛyɛ a wobetumi abue inspection floor plate no dwoodwoo bere a wɔatoto anyinam ahoɔden mu awie no.
3. Di ɔkwan a wɔfa so kora awɔw so a ɛwɔ ntoatoaso abiɛsa no akyi:
   • Fa nkyene a ɛho ntew anaa nsu a ɛho tew a wɔde ahyɛ toa mu hohoro efĩ a ɛyɛ mmerɛw a ɛho ayɛ hare no fi ɔfã a wɔatwa no so (mmfa nhohoro so da anaasɛ mfa samina a ekum ɔyare mmoawa anaa nsa nni dwuma).
   • Fa gauze a ɛnyɛ ɔyare mmoawa a wɔde nkyene anaa nsu a ɛho tew afra mu kakra kyekyere digit no ho.
   • Fa digit a wɔakyekyere no hyɛ plastic bag a ɛho tew, ɛyɛ nwunu, na nsu ntumi nkɔ mu a ɛwɔ zip-top mu.
   • Fa saa plastic kotoku a wɔatoto mu no gu ade a ɛto so abien anaa kotoku a nsukyenee a wɔabubu ne nsu a wɔadi afra ahyɛ mu ma mu. Mfa nsateaa anaa nansoaa a wɔatwa no nhyɛ nsukyenee a ɛda hɔ kwa anaa nsukyenee a ayow so tẽẽ da, efisɛ nwini a ɛyɛ nwini tẽẽ sɛe microvascular nkwammoaa afasu na ɛma oprehyɛn a wɔsan de bata ho no ntumi nyɛ yiye.

Asiane a ɛyɛ hu a ɛne sɛ antweri anammɔn bɛhwe ase na truss amena ahwe ase¶

Bere a ɛntaa nsi sɛ wɔde toto mpaboa a wɔde ahyɛ mu ho no, anammɔn a ɛwɔ ɔdan no mu a entumi nyɛ adwuma yiye ne fam mprɛte a ɛhwe ase a ɛhwe ase no gyina hɔ ma akwanhyia a edi awu sen biara wɔ antweri so. Wɔ aluminium anammɔn a ɛretu no a ɛyɛ tratraa no ase no, dade a emu dɔ a ɛte sɛ abodan (truss) a ɛwɔ drive motor titiriw, nantwinini gya, anammɔn san nkɔnsɔnkɔnsɔn, ne nnua a ɛkyinkyini wɔ soro ne ase a wɔde si fam no wom.

• Kɔkɔbɔ nsɛnkyerɛnne a ɛkyerɛ sɛ anammɔn-nkɔnsɔnkɔnsɔn a ɛreba ("runaway" anaa buckling steps): Sɛ wote dade a ɛreyam denneennen, rhythmic banging, anaa screeching nnyigyei a efi anammɔn no so reba, anaasɛ wuhu anammɔn bi a ɛdannan kɔ soro wɔ anoano bere a ɛrebɛn baabi a ɛbɛsi fam no a, ntiatia antweri no so. Sɛ wowɔ antweri no so dedaw bere a anammɔn fi ase buckling na boaboa ano wɔ baabi a wɔde si fam te sɛ accordion a, fa nsateaa abien no nyinaa ntɛm ara, twe wo nan kɔ soro kɔ plastic/dade afã a ɛyɛ den a ɛwɔ atrapoe no nkyɛn no so sɛ ɛyɛ teateaa sɛnea ɛsɛ a, anaasɛ fa wo ho to nsateaa a ɛba fam no so kɔ antweri a ɛyɛ pintinn a ɛbɛn hɔ no so sɛ wode si biako nkyɛn dwoodwoo a.
• Mfa akwanside kɔkɔɔ a wɔde siesie nneɛma so nkɔ antweri a egyina hɔ so da: Sɛ mfiridwumayɛfo yi aluminium anammɔn abien anaa abiɛsa de yɛ antweri ho adwuma a, tokuru a ɛda hɔ a ne tenten yɛ mita 1.5 (anammɔn 5) a ɛyɛ yaw bue tẽẽ kɔ dade gya amoa a ɛwɔ ase hɔ no mu. Nea enye koraa no, sɛ wɔde mfiri gyae drive breki titiriw no ma ɛyɛ adwuma a, friction nkutoo na ɛkura antweri a wɔagyae no mu. Sɛ akwantufo kuw bi bu wɔn ani gu akwanside bi so na wɔnantew kɔ antweri a egyina hɔ no so de di dwuma sɛ antweri a wɔde di dwuma daa a, wɔn tumi a ɛtwe ade ba fam no mu duru a wɔaka abom no betumi adi static friction so nkonim na ama dade antweri no nyinaa akɔ fam ntɛmntɛm wɔ akyi (antweri no kwan a ɛdannan), na ɛde nnipa du du pii agu pile-up mu wɔ fam landing anaasɛ akɔ amoa a wɔabue mu a wɔde siesie nneɛma mu.

Siw a wobesiw ano: Atrapoe ahobammɔ ho mmara 6 a ɛwɔ nkɛntɛnso kɛse ma mmusua¶

Sɛ́ wobesiw antweri ne akwan a wɔfa so nantew so a wopirapira ano no hwehwɛ sɛ wonya suban a emu yɛ den bere biara a wo ne mmofra, nneɛma, anaa nneɛma a wɔde boa wɔn ma wotumi fa kar pɔnkɔ so no:

• Gyina hɔ wɔ yellow perimeter border lines no mu: Nnɛyi escalator anammɔn wɔ plastic kɔkɔɔ a ɛhyerɛn anaa painted boundary lines a atwa anammɔn biara ano anan no nyinaa ho ahyia. Tete mmofra ma wɔmfa wɔn nan abien no nyinaa nsi anammɔn no mfinimfini denneennen bere nyinaa wɔ adaka kɔkɔɔ no mu, na ma anyɛ yiye koraa no, rɔba mpaboa a ɛyɛ mmerɛw ne nneɛma a wɔde siw mpaboa a wɔde kyekyere nneɛma ho no nware sɛntimita 5 (nsateakwaa 2) fi ɔfasu a ɛwɔ akyi a egyina hɔ no ho.
• Mfa nkokoaa teaseɛnam, atenae a wɔde pia nnipa, mmubuafo akongua, anaa nneɛma teaseɛnam a ɛwɔ ntwahonan anan nkɔ antweri so da: Teaseɛnam a ɛwɔ antweri a ɛwɔ ahinanan so no de n’akyi ntwahonan si anammɔn biako a ɛretu so bere a n’anim ntwahonan no sɛn wim mfinimfini anaasɛ ɛhome wɔ ɔkwan a ɛyɛ toro so wɔ anammɔn a ɛwɔ atifi hɔ no so. Sɛ anammɔn no yɛ petee wɔ soro anaa ase fam a, teaseɛnam no dan kɔ akyi anaasɛ ɛma akokoaa no n’anim di kan si fam wɔ aluminium anammɔn a ɛyɛ nsensanee no so, anaasɛ anim caster ntwahonan nketewa no kyere tẽẽ kɔ comb plate slots no mu. Bere nyinaa fa no elevator a wɔde foro abansoro bere a worepia keteke a wɔde fa mmofra, mmubuafo akongua, anaa teaseɛnam a wɔde nneɛma a emu yɛ duru fa mu no.
• Mma afieboa nnantew tẽẽ wɔ antweri anammɔn so da: Ɔkraman nan, ne nan ase nnadewa, ne ne ho nhwi nni ne nan ase ahobammɔ a ɛyɛ den na wɔtwe no tẽẽ kɔ 3-millimeter comb plate sẽ mu wɔ exit landing, na ɛma wotwa ne nan pii a ɛyɛ hu. Fa akraman nketewa gu wo nsa so bere nyinaa wɔ antweri so, anaasɛ fa akraman a wɔyɛ mfinimfini ne akɛse fa antweri anaa mfiri a wɔde foro abansoro no.
• Kura mmofra nsa na ma wɔntu anammɔn ntwa (ɛnyɛ sɛ wɔntwe wɔn ho ntwa) comb mprɛte no so: Mma mmofra nkumaa ntena antweri so da, nni agoru wɔ baabi a ɛbɛn nsateaa a wɔde hyɛ mu brush a ɛwɔ ase no, anaasɛ "ski" wɔn rɔba mpaboa mfi comb mprɛte a etwa to no so da. Kyerɛkyerɛ wɔn ma wɔmma wɔn nan so nkɔ soro na wɔmfa wɔn nan nsi dade a wɔde twitwiw sẽ no so koraa nkɔ fam a ɛyɛ den no so.
• Boaboa ntade atenten ano na hwɛ mpaboa hama ansa na woaforo: Ansa na wobɛtiatia baabi a wobɛhyɛn no so no, hwɛ fam na hwɛ sɛ mpaboa hama abien no nyinaa yɛ nhama abien na ma maxi-dress, abaya, sari, atade, anaa scarf biara a ne tenten te fam no ano so anyɛ yiye koraa no sɛntimita 10 (nsateakwaa 4) wɔ wo mpaboa atifi.
• Kɔ so kɔ w’anim ntɛm ara bere a woafi baabi a wosi fam no: Nnyina baabi a wofi adi ntɛm ara wɔ antweri anaa wimhyɛn gyinabea a wotu kwan a wɔfa so nantew mu no so da nhwɛ wo fon anaasɛ nhwehwɛ apon no ho nsɛnkyerɛnne. Afiri no kɔ so de akwantufo 90 kosi 120 kɔ w’akyi pɛɛ simma biara; sɛ wogyina comb mprɛte no so a, ɛma nnipa a wɔde nkɔnsɔnkɔnsɔn yɛ adwuma no boaboa ano ntɛm ara kɔ dade sẽ a ɛrekɔ so no mu.

Nsɛm a wɔtaa bisa¶

Sources a wɔhwɛɛ mu¶

• Amerika Mfiridwumayɛfo Kuw (ASME, United States): ASME A17.1 / CSA B44 Ahobammɔ Mmara a ɛfa Elevators ne Escalators ho: Anamɔn-kɔ-Skirt Clearance Index, Comb Plate Impact Switches, ne Emergency Stop Button Placement.
• Europa Boayikuw a Ɛhwɛ Gyinapɛn So (CEN, Europa Aman Nkabom Kuw): EN 115-1 Ahobammɔ a Ɛwɔ Escalators ne Nantew a Ɛtu: Adansi ne Nneɛma a Wɔde Sisi Gyinapɛn.
• U.S. Consumer Product Safety Commission (CPSC, United States): Public Safety Alerts on Escalator Entrapment Hazards Involving Soft Resin/Foam Footwear, Loose Garments, and Strollers.
• Elevator Escalator Safety Foundation (EESF, United States and Canada): Safe-T-Rider Passenger Escalator and Moving Walkway Accident Prevention Guidelines.
• National Fire Protection Association (NFPA, United States): NFPA 1006 / 1670 Standard for Technical Rescuer Professional Qualifications: Machinery and Escalator Entrapment Extrication.
• American Academy of Pediatrics (AAP, United States): Pediatric Escalator-Related Foot and Extremity Trauma Clinical Management and Prevention.

Akwankyerɛ ahorow a ɛfa ho¶

• Elevator ho nsɛm a egye ntɛmpɛ
• Crush opira ne compartment syndrome
• Mogya a ɛtɔ kɛse
• Amusement park ne fair ntɛmpɛ