⑴. Mawonekedwe a zisoti za botolo: kuumba kwathunthu, mawonekedwe athunthu, palibe shrinkage yodziwika bwino, thovu, burrs, zolakwika, mtundu wa yunifolomu, ndipo palibe kuwonongeka kwa mlatho wotsutsana ndi kuba. Pedi lamkati liyenera kukhala lathyathyathya, lopanda kuwonekera, kuwonongeka, zonyansa, kusefukira ndi kumenyana; ⑵. Kutsegula makokedwe: th...
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