1.Ibipimo byo mu rwego rwo hejuru, bikwiranye nubushakashatsi butandukanye bwa siyansi, ubushakashatsi bwibihumyo, nibindi.
2.Umucyo mwinshi, byoroshye kwitegereza munsi ya microscope
3.Imbere mu biryo bya petri biraringaniye, bikwiranye no gukura kw'ibihumyo