Kev Tiv Thaiv Kev Tiv Thaiv: Airtight ua haujlwm, txhim kho qhov cua. Cov neeg ua haujlwm yuav tsum tau txais kev cob qhia tshwj xeeb thiab ua raws li cov txheej txheem ua haujlwm. Cov neeg ua haujlwm yuav tsum hnav lub ntsej muag plua plav, hnab looj tes neoprene, khaub ncaws tiv thaiv thiab khau dej. Nws raug pom zoo tias tus neeg teb xov tooj yuav tsum hnav lub hood-hom hluav taws xob cua tshuab lim plua plav-pov thawj ua pa, hnav cov khaub ncaws tiv thaiv kab mob, thiab hnav hnab looj tes neoprene. Thiab lwm yam khoom pov hwm kev ua haujlwm. Khaws kom deb ntawm qhov hluav taws kub thiab qhov cua sov, kev haus luam yeeb yog txwv tsis pub nyob hauv chaw ua haujlwm, thiab qhov cua yog qhov zoo. Khaws kom deb ntawm cov khoom siv hluav taws xob thiab hluav taws kub. Tsis txhob tsim cov hmoov av. Tsis txhob sib cuag nrog cov tshuaj txo qis thiab cov kua qaub. Thaum tuav, thauj khoom thiab tshem tawm me me kom tsis txhob muaj kev puas tsuaj rau cov ntim thiab ntim. Kev vibration, kev cuam tshuam thiab kev sib txhuam yog txwv. Nruab nrog cov khoom sib xws thiab ntau npaum li cas ntawm cov khoom siv tua hluav taws, cov khoom siv kho mob thaum muaj xwm ceev thiab cov khoom sib thooj. Cov thawv khoob yuav ua rau muaj teeb meem seem.
Kev ceev faj rau kev khaws cia: Khaws rau hauv qhov chaw txias, qhov cua txias. Khaws kom deb ntawm qhov hluav taws kub thiab cua sov. Qhov ntsuas kub yuav tsum tsis pub tshaj 30 degree, thiab cov av noo ntawm cov txheeb ze yuav tsum tsis pub tshaj 80 feem pua. Lub ntim yuav tsum yog airtight thiab tsis sib cuag nrog huab cua. Nws yuav tsum tau muab cais los ntawm kev txo cov neeg ua haujlwm, acids, flammable (combustible) cov ntaub ntawv, thiab lwm yam, thiab yuav tsum tsis txhob muab khaws cia ua ke. Nws yuav tsum tsis txhob muab khaws cia rau hauv qhov ntau lossis khaws cia rau lub sijhawm ntev. Cov chaw khaws cia yuav tsum tau nruab nrog cov ntaub ntawv tsim nyog kom muaj cov txeej.