Nkowa dị mkpirikpi:

Waya nke a kpara akpa bụ ngwaahịa nke ejiri ọla kọpa na-adịghị ahụ anya ， ọla kọpa nke ejiri aluminom kpuchie ma ọ bụ waya aluminom dị ka ntọala wee jiri tee ma ọ bụ alloy dabere na ya kpuchie ya. Ọ na -egbo mkpa nchekwa gburugburu ebe obibi, ma nwee ọtụtụ uru dịka ezigbo nguzogide ọxịdashọn, nguzogide ọkụ, ezigbo kọmpat, nguzogide corrosion siri ike, ịgbado ọkụ siri ike, agba ọcha na -enwu gbaa na ihe ndị ọzọ.

A na -eji ngwaahịa maka eriri ọkụ, eriri coaxial, ndị na -eduzi maka eriri RF, eriri ụzọ maka ihe sekit, seramiiki capacitors, na ahịrị bọọdụ sekit.