Ojiji:
Ngwaahịa na-tumadi ji gas-mmiri nkewa na despumation na mmanụ, chemical ụlọ ọrụ, ụgbọ ala ụlọ ọrụ, gburugburu ebe obibi protection.Can nwekwara ike-eji maka electromagnetic shielding na-ewu engineering.
Ihe onwunwe
igwe anaghị agba nchara, galvanized ígwè waya, ọla kọpa waya, brass waya, nickel waya, titanium waya, alloy waya wdg
