1. Nws yog siv los unload PCB's los yog pallets ntawm yoj soldering tshuab ntawm 6-7 °.
2. Kev sib kis ceev, hloov qhov siab thiab khiav lub kaum sab xis tuaj yeem hloov kho.
3. Cov kiv cua txias tuaj yeem ntsia tau kom nws tuaj yeem tiv thaiv PCBs lossis cov khoom siv.
4. Kev siv tshwj xeeb thiab kev taug qab, kev sib kis du, thiab ua haujlwm ruaj khov thiab txhim khu kev qha