1. Ma bristles olimba omwe angathe kutsukidwa tsiku ndi tsiku, kuphatikizapo ziwiya zophikira zosamamatira ndi zotayidwa ndi chitsulo, miphika, mapoto, mbale ndi magalasi. 2. Kungokanikiza batani kumatulutsa sopo wothira mbale kudzera mu burashi pogwiritsa ntchito mpweya wosuntha. Mutu wa burashi umatembenuka ndikutsegula kuti uchotsedwe mosavuta ndikusinthidwa. 3. Chogwirira chokhazikika chomwe sichimaterera chimakwanira bwino m'dzanja ngakhale chitakhala chonyowa komanso cha sopo. Chogwiriracho chimagwiranso ntchito ngati chosungira sopo, chomwe chimadzazidwa mosavuta ndi sopo aliyense wophika mbale. 4. Chosavuta kuyeretsa komanso chotetezeka pa chotsukira mbale; chogwiriracho chili ndi kutalika kwa 9.5cm ndi kuzungulira kopachikika kuti chisungidwe mosavuta.