Enwere ike ịmepụta fiberglass Woven Roving Fabric n'ime obosara dị iche iche, mpịakọta nke ọ bụla na-emerụ ahụ na tube nke kaadiboodu kwesịrị ekwesị nke nwere dayameta nke 100mm, wee tinye n'ime akpa polyethylene, gbanye ọnụ ụzọ akpa ahụ ma tinye ya n'ime igbe kaadiboodu kwesịrị ekwesị.
Nkọwa nnyefe: 15-20 ụbọchị mgbe ị nwetasịrị ụgwọ n'ihu.
Mbupu: site n'oké osimiri ma ọ bụ ikuku