Zida kapena zida zikakonzedwa, kusungidwa kapena kutsukidwa, gwero lamagetsi lomwe limalumikizidwa ndi zidazo limadulidwa.Chipangizo kapena chida sichidzayamba.Panthawi imodzimodziyo, magwero onse a mphamvu (mphamvu, hydraulic, air, etc.) amatsekedwa.Cholinga: kuwonetsetsa kuti palibe wogwira ntchito kapena wogwirizana ...
Werengani zambiri