Ụlọ ọrụ a na-enye drum eji arụ ọrụ n'elu osisi (otu ihe ahụ dị ka nke kachasị ọhụrụ na Itali/Spain), drum nkịtị osisi, drum PPH, drum osisi a na-achịkwa okpomọkụ na-akpaghị aka, drum akpaka nke anaghị agba nchara nke Y, drum osisi, paddle simenti, drum ígwè, drum igwe anaghị agba nchara nke zuru oke na octagonal/round milling drum, drum igwe osisi, drum nnwale ígwè anaghị agba nchara na tannery beam house automatic conveyor system.