Pali mitundu itatu ya nkhope yosindikizira ya flange yapamwamba kwambiri: nkhope yosindikizira, yoyenera kupanikizika kochepa, nthawi zopanda poizoni; Malo osindikizira a concave ndi ma convex, oyenera kupanikizika pang'ono; Malo osindikizira a Tenon ndi groove, oyenera kuyaka, kuphulika, media zapoizoni ...
Werengani zambiri