Mass nhazi nke piston mgbanaka, igwe diski elu okpukpu abụọ 

Iji ntuziaka loading na ebutu ngwaọrụ, High arụmọrụ na mfe iji rụọ ọrụ na 

duplex igwe grinder.Otu nwanyị nwere ike ịwa ya, ụlọ ọrụ ga-azọpụta mmadụ.