3.10 ntau lub hnab tshos ywj pheej thiab interlayer |lub koom haum tswj xyuas kev nyab xeeb ntawm cov khoom siv thaum muaj xwm txheej ceev, khoom siv kho mob thiab khoom siv |peb muaj zog zipper es tsis txhob buckles, cia koj sai dua siv |padded dividers, sab hnab / hnab sab saum toj ntawm cov cuab yeej hauv lub nplhaib, plaub xim coding detachable hnab thiab daim npav qhov
4. Cov hlua khi yooj yim |rau cov neeg ua haujlwm tsis khoom ua tib zoo tsim thiab ua raws li tib neeg lub cev engineering |tshem tau mos lub xub pwg pads thiab txo koj qhov hnyav, caj dab thiab lub xub pwg nyom kom muab qhov zoo tshaj plaws kev nplij siab thiab tuav |ob chav teeb tsa, tuaj yeem ua kab rov tav lossis ntsug hnav |suav nrog siv hauv portable nyob rau sab saum toj ntawm tus kov