Muaj ob lub laj thawj tseem ceeb rau kev puas tsuaj ntawm lub tsheb fuse: ib qho yog qhov hluav taws xob thauj khoom loj heev; Qhov thib ob, muaj luv luv Circuit Court hauv lub tsheb.
Cov laj thawj tseem ceeb ntawm cov khoom siv hluav taws xob ntau dhau yog: hloov lub teeb taub hau, cov khoom siv hauv tsheb, siv cov khoom siv hluav taws xob qis dua thiab cov khoom siv hluav taws xob muaj zog los txuas rau lub teeb cigarette.
Yog li ntawd, nws tau ceeb toom tias cov tswv yuav tsum nkag siab txog lub zog thiab qhov siab tshaj plaws ntawm cov khoom siv hluav taws xob qub ua ntej hloov lub voj voog tsheb. Piv txwv li, qhov hloov kho headlamp wattage yog siab dua li tus nqi ntawm lub Hoobkas qub. Nws tuaj yeem ua rau lub taub hau fuse tawg.