1, Ibikoresho ni 304 ibyuma bidafite ibyuma bifite ubuziranenge.
2, Inshinge y'urushinge irakaze bihagije nta barb mugihe cyo gukoresha.
3, Luer taper igishushanyo cyigitanda cyurushinge kugirango gifungwe neza nta kumeneka.
4, Koresha ubwoko bwose bwa singe kandi birashobora kongera gukoreshwa nyuma yo kwanduza.