Nchịkọta ngwugwu jushuo bụ ihe okike oeed nke arụmọrụ PP & Pet Straps, na-ebugharị diski efu,
30- 50- 50% na-echekwa ego na-akwụ ụgwọ, nnyefe naanị oge. Ihe ọhụrụ maka ụlọ ọrụ ụwa na nke 10+ yrs YRS.