Gbanyere ụkpụrụ "ịdị mma, ọrụ na uto" ugbu a, anyị enwetala ntụkwasị obi na otuto sitere na ụlọ ahịa na Shoson Grade,Usoro 10 tupu, Stebe tube nke mmanụ lubrication, Ngwaọrụ mita,Lincoln 5 galọn glue. Maka igwe mgbakwunye gas na-ewepụta na ngwa ahịa na oge na ọnụahịa ziri ezi, ị nwere ike ịtụkwasị aha ụlọ ọrụ. Ngwaahịa ahụ ga-enyefe ụwa niile, America, America, Australia, Portland, Netherlands. Portiland. Anyị anaghị akwụsị ịma mmachi ahụ n'akụkụ niile iji mepụta ngwaahịa dị mma. Ka o si n'ụzọ ya, anyị nwere ike ime ka ndụ anyị mee ihe ma kwalite ezigbo ndụ maka obodo ụwa.