1. 90 ° angled sab soldering tsim txuag qhov chaw teeb tsa thiab yog tsim rau cov khoom siv nyias thiab cov khoom siv sim compact
2. Cov hlau nplaum yuav cia li sib dhos thiab ruaj ntseg qhov kev sib txuas; sai rau ntsaws thiab tshem tawm; txiav tawm thaum rub tawm, tiv thaiv kev puas tsuaj rau lub rooj tsavxwm Circuit Court
3. Cov pins uas muaj lub caij nplooj ntoos hlav ua kom muaj kev sib kis tam sim no thiab kev tau txais hluav taws xob ruaj khov, muab kev sib cuag txhim khu kev qha thiab tiv thaiv kev nyeem ntawv cuav
4. Haum rau kev sim roj teeb, cov qhov chaw ntsaws sab ntawm cov cuab yeej, thiab kev them hluav taws xob sib nqus; zoo tagnrho rau cov ntawv thov uas xav tau kev sib txuas thiab kev txiav tawm ntau zaus.