Push Button Lockout tiv thaiv kev siv tsis raug cai ntawm kev thawb / rub thiab twist tso cov khawm hloov thaum muaj xwm ceev.Push Button Lockout Npog yog pov tseg tau nruab nrog lub hauv paus qis thiab lub hau tshem tau, pob tshab uas tso cai rau pom txoj haujlwm thiab cov xwm txheej ntawm cov nyees khawm.Lub keyhole yog siv los txhim kho lub ntsuas phoo kev nyab xeeb.