Kusiyana pakati pa ozizira ndi osavomerezeka.

.

Mavuto ofala pakugwiritsa ntchito carbide.

PCD onani tsamba ndi chida chabwino komanso cholimba..

Ubwino ndi ntchito youma odulidwa macheka.

Kodi matabwa a aluminiyamu angagwiritsidwe ntchito kudula nkhuni kuwonjezera pa kudula aluminiyamu?.

Mfundo ndi ubwino ozizira macheka.

Mitengo yolimba yamtengo wapatali yokhala ndi macheka ambiri: chida chothandizira kukonza matabwa.

Kodi mungagule bwanji tsamba lamatabwa lolimba kwambiri lolimba kwambiri?.

raker, tsamba la macheka ambiri.