Ƙididdigar ɓarna na sassa daban-daban:

1. Yanki na ƙarshe ----- Babu murkushewa, lalacewa, murdiya ko gurɓatawa.

2. Shrapnel ----------- Babu nakasu, babu canji a tsayin tsayi.

3. Babban taga lura da waya ---- Dole ne ainihin wayar ta kasance a bayyane, kuma fagewar kewayon ainihin waya shine 0.2-1.0mm.

4. Babban ɓangaren crimping na waya ------ dole ne a rufe gabaɗaya kuma ya ƙunshi duk ainihin wayoyi, kuma ba za a iya ganin kubu mai rufewa ba.

5. Bakin kararrawa ---------- Bakin kararrawa na baya dole ne a ganuwa, kuma mafi girman kewayo shine 0.1-0.4mm. 6. Insulation kallon taga - mafi girman girman a daidai yake da b, kuma ainihin waya ta jan karfe da kumfa mai rufi dole ne a bayyane a lokaci guda.

7. Insulation crimping part ---- Dole ne a rive shi sosai, kuma wayoyi kada su motsa.

8. Tef na kayan aiki ------------ Girman girman tef ɗin kayan gaba shine 0-0.3mm, kuma girman kewayon ƙarshen ƙarshen shine 0-0.5 mm