● Chipangizo chosavuta kugwiritsa ntchito potsegula chivindikiro kuti chitsimikizire kuti palibe chidebe, palibe chivindikiro, kapena chotseka;
● Chitsanzo chosunga mphamvu, mota imodzi imatha kukonza zochita zonse;
● Kutseka kwathunthu onetsetsani kuti ndikoyenera kulongedza chidebe chamadzimadzi;
● Makina oyenera mitundu yonse ya zitini zokhala ndi mainchesi ofanana, kutalika kwake kumatha kusinthidwa mosavuta;
● Katswiri wotsekera kawiri kuti chitsime chikhale ndi zotsatira zotsekera, palibe kutayikira;