Pofuna kukonza konkire workability, compressive mphamvu ndi slump posungira mtengo, konkire zomera zambiri kuwonjezera admixture.Pali mitundu yambiri: chochepetsera madzi, chopopera, chotsitsa konkriti, defoamer, accelerator, chosalowa madzi, mpweya wolowera, antifreeze wothandizira etc. Mtundu uliwonse ...
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