Rau chob / perforated / punched terminals, cov hlau txuas spec raws li hauv qab no.
Phiaj - chav kawm 1,2,3
• Hlau hla dhau lub qhov muag ntawm lub davhlau ya nyob twg.
• Hlau qhwv rau hu rau sab nraud ntawm lub davhlau ya nyob twg.
• rwb thaiv tsev clearance ib lub taub.

Txais - Chav Kawm 1
Qhov taw qhia kev ua tiav - Chav Kawm 2
Qhov tsis taus - Chav 3
• Hlau qhwv tsawg dua 90 degree.
• Hlau tsis dhau lub qhov muag ntawm lub davhlau ya nyob twg (tsis yog
qhia).
Kev Txhim Kho - Chav Kawm 2,3
• Ua haujlwm xaus kho kom lees txais cov hlau loj loj lossis cov dav hlau.
• Neeg xyuas kev txiav tawm lossis hloov kho kom haum rau lub davhlau ya nyob twg.
Kev Txhim Kho - Chav Kawm 1,2,3
• Hlau tsis hu rau ob sab ntawm lub davhlau ya nyob twg.
• Hlau rhuav tshem cov hluav taws xob kev tshem tawm hluav taws xob tsawg
(tsis qhia).
• Hlau yog pob txha lov ntawm khoov (tsis tau qhia).






