■ Zida zogwirira ntchito zambiri, zokhala ndi zogwirira zokokera m'mwamba zingapo kuti zikwaniritse zosowa za wogwiritsa ntchito pazochita zosiyanasiyana.

■ Makina a Smith okhala ndi malo ophatikizira angapo, kulola ogwiritsa ntchito kuyamba ndi kuyimitsa maphunzirowo pautali uliwonse.

■ Kuyenda kwa njanji kumakhala kochita masewera olimbitsa thupi pansi monga mizere yokhotakhota, mizere yokhotakhota, yokhotakhota, ndi kukankhira m’chiuno.

■ Mbali yakutsogolo yokhala ndi mbedza zodzitetezera ku squat ndi malo otetezedwa, kukwaniritsa zosowa za wogwiritsa ntchito pazoseweretsa zaulere.

■ Okonzeka ndi makina otetezera makina a smith amaima kuti ateteze ogwiritsa ntchito kuvulala chifukwa cha kutsekedwa kwa bala.