Chingwe chozungulira chingwe chachikulu cha zingwe zazikulu cha 19-40mm

Amapangidwa kuti azichotsa pa PVC mwachangu komanso yowerengera, pe ndi zida zina za jekete, ndipo zimagwira ntchito bwino mozungulira ndi miyala yosiyanasiyana kuyambira 0,75 "mpaka 1.58 mm). Ili ndi chida chochita katatu, kudula motalika pomaliza kuvula, kutalika kwa ma span kumapeto ndi ma span kudula, ndi kuzungulira kwa jekete. Kusiyana kosavuta kugwiritsa ntchito Chida chomwe makasitomala anu angakonde.