Kugwiritsa ntchito zolumikizira nthawi zambiri kumadalira zipangizo zoyenera kapena momwe zimagwiritsidwira ntchito. Posankha zolumikizira, ndikofunikira kuganizira zinthu zingapo zofunika monga mtengo, momwe chilengedwe chilili, kusinthasintha, malo olumikizirana, ndi kufunikira kwa kupanikizika.

Ngakhale kuti zinthu zomwe timasankha ndi zambiri, mitundu ya zinthu zomwe zilipo ndi mongaBSP/BSPT, JIS, ORFS, JIC, UNF-UN, NPT, SAEndiChiyerekezomndandanda.

Chonde titumizireni uthenga kuti mudziwe zambiri.