Ụkpụrụ na uru nke oyi oyi.

Olee otú ịzụta elu-nkenke siri ike osisi n'ọnụ banding saw agụba nke ọma?.

raker, multi-ripping saw agụba.

ọnụ ọgụgụ nke ezé, cross ịcha, dọwara.

nnukwu oghere, Central mụụrụ, ntụtụ oghere.

alloy saw agụba, nchara.

oyi ịkwọ, oyi ịwa osisi.

agụba diamond.

eletrọnịkị ịcha osisi, mmetụta ịkpụ.

akọrọ ịcha ígwè oyi ịwa osisi.