Pomanga zigawo zosiyanasiyana, mtedza umagwira ntchito yofunika kwambiri kuti zonse zikhale pamodzi.Mitundu yosiyanasiyana ya mtedza womwe umapezeka umafalikira m'mafakitale angapo ndipo umagwiritsidwa ntchito pamagalimoto, makina, zomangamanga, ndi zina zambiri.Mu blog iyi, tikuwona kufunika kwa DIN934 ndi DIN985 mtedza ...
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