A na-etinye akwụkwọ nzacha tii n'ime usoro mbukota akpa tii. N'oge usoro a, a ga-emechi akwụkwọ nzacha akpa tii mgbe igwe nkwakọ ngwaahịa dị elu karịa ogo Celsius 135.
Isi ihe ndabere arọnke nzacha akwụkwọ bụ 16.5gsm, 17gsm, 18gsm, 18.5g, 19gsm, 21gsm, 22gsm, 24gsm, 26gsm,obosara nkịtịbụ 115mm, 125mm, 132mm na 490mm.nnukwu obosarabụ 1250mm, ụdị nile nke obosara nwere ike nyere dị ka ndị ahịa chọrọ.