Cov cuab yeej no yog tsim nyog rau kev txiav ntawm PCB pawg thawj coj saib tom qab kev ua haujlwm plug-in;
Siv cov khoom siv hluav taws xob tshiab tshaj plaws, nws tuaj yeem ua tiav qhov kev txiav txim siab tsis muaj kev ntxhov siab ntawm ib lub sij hawm, tshwj xeeb tshaj yog tsim rau kev txiav precision Surface Mounted Devices (SMD) lossis nyias phaj.