Ndi waya

Si kachitidwe, koma mawu omwe amapezeka nthawi zambiri pakati pazida, zomwe zimawonetsa kuti cholembera china (chowombera, chowonjezera, chowongolera, ndi zina zambiri) chimapanga ma siginecha amagetsi omwe amasonkhanitsidwa ndikumasuliridwa ndi omwe amawongolera, kenako kukonzedwa, amasamutsidwa kupita ku thupi lolamulidwa (mabuleki, injini, mawilo, ndi zina zambiri).