M'zaka zaposachedwa, ndi kuwonjezereka kwa mafakitale ndi chitukuko cha kupanga, ma compressor a mpweya, monga zida zofunikira za mafakitale, pang'onopang'ono akukhala chida chofunikira pazochitika zonse za moyo. Ndi mphamvu zake zapamwamba, kupulumutsa mphamvu, kudalirika komanso kukhazikika, compress air ...
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