Pulasitiki yosungira bin ndi mtundu wa zida zosungira posungira magawo osiyanasiyana. Ili ndi mawonekedwe a kukana kwa asidi ndi alkali, kutsutsana kwamafuta, yopanda poizoni komanso yopanda fungo, yosavuta kuyeretsa, yolongosoka bwino, komanso yosavuta kuyisamalira. Malinga ndi mawonekedwe, gwiritsani ntchito mwayi, mutanyamula katundu ndi ...
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