→ BK-VT mtundu kugwedera kudzipatula nsanja makamaka wopangidwa ndi zitsulo zosapanga dzimbiri tebulo ndi kugwedera kudzipatula dongosolo, kugwedera kudzipatula dongosolo kuphatikizapo miyendo, mpweya mounts, malire chipangizo, chilengedwe chonse kusintha mapazi.
→ Ntchito Zazikulu: zida zoyesera zowunikira, mita yowuma pamwamba, contourgraph, maikulosikopu, zida zamagetsi zoyesera ndi zida zina zolondola.