1.Ọ nwere ike iji dị ka isi na-ere ọkụ gị n'ụlọnga nke acha ire ọkụ kandụl.
2.Ọ bụ isi akụrụngwa maka mmepụta nke citrazinic acid.
3.It bụ isi akụrụngwa maka njikọ nke na-ekpo ọkụ-agbaze nrapado.
4.Ọ nwere ike iji dị ka onye na-emepụta ụfụfụ nke methyl methacrylate polymer, stabilizer nke acrylamide, onye na-emepụta ihe nkedo polyamide, plasticizer nke PVC, wdg.
