Kutentha kwamkati kwa mphira kotsekera kotsekera kumasindikiza waya wopanda madzi womangiriza waya ndi chingwe chachitsulo chopopera madzi.
Polyolefin wokhala ndi khoma lanyumba lanyumba yotentha ndi chubu chapadera cha polyolefin chomwe chimatenthetsa kutentha. Amapangidwa ndi makina osanjikiza a co-extrusion a polyolefin ofotokoza za halogen wopanda zida zamoto ndi zomatira zotentha.
Kutentha kosalala kotsekedwa ndi mtundu watsopano wamanja oteteza waya, womwe walukidwa kuchokera ku polyester monofilament ndi polyester multifilament.
