Otu n'ime isi ụkpụrụ na-akwalite mmepe ngwaahịa anyị bụ echiche nke symbiosis.Anyị kwenyere n'ịmepụta ngwaahịa na-abụghị naanị na-ebuga arụmọrụ pụrụ iche kamakwa na-enye aka na-edozi nsogbu mmekọrịta ọha na eze.N'iburu nke a n'uche, Cylinder Drum Brake Wheel Cylinder 8-94154-904-1, 8-94154-904-2, 8-94154-904-3, 94154904 maka CHEVY W4500 na ISUZU ELF350 NPR DIESEL TRUCK agaghị ezute naanị injin. ụkpụrụ ụlọ ọrụ ma kwekọọ n'ọrụ anyị maka iwulite ọha mmadụ ka mma.