8. Kapangidwe kake ndi precession ndi mayamwidwe madzimadzi ndi wangwiro.
9. Mapangidwe ake ndi omveka, kapangidwe kake ndi katsopano, ndipo ndi kosavuta kugwiritsa ntchito.
10. Muyezo wake ndi wolondola.
11. Ndiosavuta kugwiritsa ntchito ndipo dzanja limamva bwino.
12. Mankhwalawa ali ndi zida zosinthira, ndipo amapereka ntchito yabwino.
5ml syringe yosalekeza mtundu wa R