●Chigoba chakunja cha bokosi la zida zamitundumitunduchi ndi chopangidwa ndi chitsulo chapamwamba kwambiri komanso pulasitiki yauinjiniya, yomwe ndi yamphamvu komanso yolimba.Ili ndi zigawo zingapo, zomwe zimapangitsa kuti zikhale zosavuta kusunga zida ndi zowonjezera.Kuphatikiza apo, ilinso ndi chogwirira chotambasula ndi mawilo, zomwe zimapangitsa kuti ogwiritsa ntchito azisuntha ndikuziyendetsa mozungulira malo ogwirira ntchito.

●Bokosi lazida lopangidwa mwamakonda lomwe limapereka njira yabwino yothanirana ndi dongosolo, kusunga zida zonse kukhala zotetezeka, zaukhondo, komanso zosavuta kuzipeza.Imatengera mipiringidzo yosinthika yokhala ndi malo okwanira kuti mukhale ndi zida ndi zida zosiyanasiyana.Kuphatikiza apo, imabweranso ndi makina otsekera osindikizira kuti awonetsetse kuti zida zonse ndi zowonjezera zimafika komwe akupita bwino.