ʻO Z-LION PCD-21 ʻekolu hapa pōʻai PCD wili trapezoid he mea hana kaumaha no ka wehe ʻana i nā uhi manoanoa a me ka elastomeric e like me ka epoxy, urethane, polyurethane, polyaspartic, acrylic, glue koena, etc. ʻO ka mea hana he 3 hapalua PCD a me kahi. ʻāpana kākoʻo pihi.Hele mai me ka pā trapezoid maʻamau, hiki ke kau ʻia i kahi ākea o nā mea wili papahele ma o nā puka 3 ma ka pā trapezoid.Hoʻolālā ʻia e hana i kahi kuhikuhi kikoʻī, ma ka ʻaoʻao a i ʻole ka ʻaoʻao.