Cov pas dej da dej yog cov kab kab rov tav lossis cov tes tuav hauv chav dej lossis chav dej. Lawv lub hom phiaj tseem ceeb yog tswj kom muaj kev sib npaug, tiv thaiv kom tsis txhob ntog, thiab txo qhov kev pheej hmoo ntawm kev ntog, tshwj xeeb tshaj yog rau cov neeg laus thiab cov menyuam yaus, hauv qhov chaw ntub dej thiab nplua. Lawv yog cov cuab yeej pab kev nyab xeeb tsim los rau cov neeg laus thiab cov neeg muaj kev tsis taus ntawm kev txav mus los, thiab tseem muaj kev siv ntxiv hauv cov chaw tshwj xeeb.
Basic Safety Function: Chav dej ib puag ncig feem ntau ntub dej, ua rau lawv ntog, tshwj xeeb tshaj yog rau cov neeg laus thiab cov menyuam yaus, qhov sib npaug thiab cov tshuaj tiv thaiv ceev yog qhov tsis muaj zog, ua rau lawv raug mob tom qab lub caij nplooj zeeg. Chav dej tuav tuav muab qhov chaw txhawb nqa ruaj khov. Thaum taug kev, tig, lossis ua lwm yam kev txav hauv chav dej, tib neeg tuaj yeem tuav mus rau ntawm qhov tuav tuav kom muaj kev sib npaug thiab tsis txhob poob lawv qhov nruab nrab ntawm lub ntiajteb txawj nqus thiab ntog vim hauv pem teb nplua. Piv txwv li, thaum tus neeg laus tau tawm ntawm lub dab da dej, tuav lub khawm tuav ua rau kev txav mus los kom nyab xeeb thiab yooj yim dua, txo qhov kev pheej hmoo ntawm kev poob vim qhov tsis muaj zog lossis tsis muaj qhov sib npaug.
