Muaj ib qho xwm txheej tsis ntev los no qhia txog qhov tseem ceeb ntawm cov khoom siv ceeb toom tus kheej. Hauv nroog New York, ib tug poj niam taug kev mus tsev ib leeg thaum nws pom ib tug txiv neej txawv txawv raws nws qab. Txawm hais tias nws sim nce qhov kev nrawm, tus txiv neej tau los ze zuj zus. Thaum lub sijhawm no, tus poj niam tau coj nws tawm sai sai.tus kheej lub tswb ceeb toom tseem ceebthiab nias lub pob ceeb toom. Lub tswb ceeb toom uas nrov nrov tam sim ntawd tau nyiam cov neeg taug kev hla kev thiab ua rau cov neeg nyob ib puag ncig lawv ntshai heev, uas thaum kawg tawm ntawm qhov chaw sai sai. Qhov xwm txheej no tsis yog qhia tias cov tswb ceeb toom kev ruaj ntseg tus kheej tuaj yeem muab kev pab tsim nyog rau peb thaum muaj xwm txheej ceev, tab sis kuj qhia txog qhov tsim nyog ntawm kev nqis peev rau cov tswb ceeb toom tus kheej.
Txoj kev uas ibSOS tus kheej tiv thaiv sirenKev ua haujlwm yooj yim heev: thaum tus neeg siv xav tias muaj kev hem thawj, lawv tsuas yog nias lub pob ntawm lub tswb ceeb toom thiab lub cuab yeej tso tawm lub suab ceeb toom txog li 130 decibels, nrov txaus kom rub cov neeg nyob ib puag ncig lawv thiab ua rau cov neeg ua txhaum ntshai. Tsis tas li ntawd, peb lub tswb ceeb toom kuj tseem muaj lub USB them tau, uas tuaj yeem siv tau 1 xyoos thaum them tag.
Txawm yog mus koom ib tog, taug kev mus tsev ib leeg, lossis mus ncig ua si ib leeg xwb, tej yam yuav ua tsis tau zoo sai heev. Txoj hauv kev zoo tshaj plaws los zam qhov no yog nqis peev rau hauv ib qholub tswb ceeb toom tiv thaiv tus kheejLub tswb ceeb toom tus kheej tuaj yeem pab koj thaum muaj xwm txheej txaus ntshai, ua rau nws yog qhov tseem ceeb rau koj txoj kev nyab xeeb.
Lub sijhawm tshaj tawm: Lub Yim Hli-11-2024