1.Pull qhov yooj yim-rau-rub qhov chaw xws li lub duav thiab caj npab ntawm tib neeg lub cev los tiv thaiv kev puas tsuaj rau tus neeg hluav taws xob los ntawm kev quab yuam ntau dhau. Tom qab kev cawm dim, thov xa tus neeg raug hluav taws xob mus rau hauv tsev kho mob kom kho raws li qhov tseeb ntawm qhov hluav taws xob poob siab.
2.Lub rwb thaiv tsev cawm nuv tuaj yeem xaiv raws li tus neeg siv khoom xav tau tom qab kev cawm siav tiav. Nws tuaj yeem tso tawm cov hluav taws xob zoo li qub ntawm tib neeg lub cev. Thov nug tus neeg muag khoom rau kev siv tshwj xeeb ntawm kev cawm tus nuv. (yeem)
3.Insulated cawm hooks yog ib qho yooj yim rau kev khiav lag luam thiab yooj yim rau khaws cia rau kev cawm dim. Lawv feem ntau muab tso rau hauv qhov pom tseeb ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob thiab cov chaw ua haujlwm kom qhuav.
4.Lub insulated cawm nuv yuav tsum tau raws li qhov tseeb siv ib puag ncig thiab voltage theem ntawm tus neeg siv.