Dabere na ọnụọgụ PCB, kewapụrụ ya n'otu akụkụ, akụkụ abụọ, na ọtụtụ ahịhịa. Usoro nke bọọdụ atọ abụghị otu.

Onweghi usoro ime ụlọ maka otu akụkụ na ogwe nwere akụkụ abụọ, nke na-ebido usoro igwuri egwu.
Bandsgbe ndị dị egwu ga-enwe usoro ime

1) otu paather usoro na-asọ
Ibelata na Enging → Oke Egosipụta → Onyinye ọla edo)

2) Usoro usoro nke spring bọọdụ abụọ
Ibelata Eding Grind → All Clued → Mwepu Egosiputa Gold Solder → Nchịkwa Callow Calying → Celk Igwe mkpụrụedemede → Celk Tracking Creeting → Nhazi ihuenyo → Nhazi → Nhazi →

3) usoro Nickel na-acha ọla edo abụọ
Ibelata Eding Gring → All Clung → Egosipụta Ihe Ochie → Silk Scarder Solder Solder Solder Solder Solder Solder Solder Solder Solder Solder Solder Solder Solder Syt → Solt Sypes → Nchịkwa ihuenyo → Nhazi → nyocha

4) Usoro usoro nke sọlfọ na-asọpụta
Ibepu ma ghotara → Groad Gburugburu oghere → Mwepu → Mwepu → Nchịkwa → Nchịkwa Igwe → Solking → Solt Clow Calying → Silk Mottos Creeting → Silk Ihuenyo Nhazi → Nnwale → nyocha

5) Usoro usoro nke nickel-edo na-acha odo odo na bọọdụ multilayer
Ibelata ma sie ya oghere → Ime ihe eji eme ihe → Nkọwapụta → Nyochaa → Nyochaa → Nchịkwa → Nhazi → Nyochaa

6) usoro nke ngbanwe nke otutu-odo na-egbochi efere ọla edo
Ibepu ma ghotara → Groad Group Fold Njirimara Etching → Mwepu → Mezue → My Nhazi → nnwale → Nnwale iji.