Ndi mitundu yanji ya maginito owotcherera a clamp?
Zamkatimu
Pali mitundu inayi yosiyanasiyana ya maginito owotcherera: ma polygonal, maulalo osinthika, ngodya yosinthika, ndi ngodya ya digirii 90. Onse amatha kukhala ndi mawonekedwe ndi makulidwe osiyanasiyana, koma mawonekedwe awo akulu amakhalabe osasinthika.