PVC iwii khoma瓦楞chitoliro ali ndi dongosolo wapadera, mkulu chitoliro mphamvu, yosalala ndi wosakhwima khoma mkati ndi kukana yaing'ono mikangano, amene angapangitse otaya buku lalikulu。Panthawi yomanga, mazikowo safunikira kupangidwa ndi maziko a konkiire, omwe amatha kugwirizanitsa ndi maziko aliwonse;Kulemera kwake kumakhala kopepuka, kugwirizira ndi kunyamula kumakhala kosavuta kwambiri, ndipo kumanganso kumakhala kosavuta komanso kofulumira;Mipopeyi imagwirizanitsidwa ndi socket ya mphira ya mphira, yomwe imakhala yolimba komanso yodalirika, ndipo khalidwe la zomangamanga ndilosavuta kutsimikiziridwa;Mawonekedwewa ndi osinthika, olimba kwambiri komanso amatha kukana kukhazikika koakhazikika !