(1) UL daim ntawv thov daim ntawv pov thawj
(2) Cov ntaub ntawv khoom: Cov ntaub ntawv khoom yuav tsum muab ua lus Askiv.
(a) Lub npe ntawm cov khoom: Muab lub npe tag nrho ntawm cov khoom.
(b) Cov qauv khoom: Sau tag nrho cov qauv khoom, ntau yam lossis cov lej sib faib uas yuav tsum tau kuaj kom meej.
(c) Kev npaj siv cov khoom siv: piv txwv li: tsev, chaw ua haujlwm, Hoobkas, thee mine, nkoj, thiab lwm yam.
(d) Daim ntawv teev npe: nthuav dav cov khoom thiab cov qauv (cov naj npawb faib), cov nqi ntsuas, thiab cov tuam txhab tsim cov khoom. Rau cov ntaub ntawv insulating, thov muab cov ntaub ntawv raw lub npe, xws li: GEPolycarbonate, Lexan Type 104. Thaum cov khoom siv tau ntawv pov thawj lossis lees paub los ntawm UL, thov lees paub cov qauv tshwj xeeb ntawm cov khoom siv thiab qhia nws cov ntaub ntawv UL.
(e) Cov khoom siv hluav taws xob: rau cov khoom siv hluav taws xob thiab hluav taws xob. Muab daim duab hluav taws xob schematic (circuit diagram), hluav taws xob kev ua tau zoo.
(f) Structure diagram: Rau feem ntau cov khoom, cov qauv kos duab lossis cov duab tawg, cov npe khoom, thiab lwm yam ntawm cov khoom yuav tsum tau muab.
(g) Cov duab ntawm cov khoom, cov lus qhia rau kev siv, kev nyab xeeb, thiab lwm yam. lossis cov lus qhia kev teeb tsa, thiab lwm yam.
