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Ukudala i-HFD: Phila ukuze ube nekamva

Malunga ne-HFD le mvelaphi yophawu, ndiyakholelwa ukuba uninzi lwezona zinto zigqwesileyo kwishishini lezixhobo zokomba azizange ziyive, njengokuvela ngequbuliso yeyiphi indlela oothixo, ngequbuliso b...

Inkqubo entsha yokwenza ipiston ngesando se-DTH

Inkqubo entsha yokwenza iipiston ze-perforator, amandla okudinwa, ubuncinci, ukunganyangeki kwe-abrasion, ukuxhathisa umhlwa kunye nezinye iipropathi zomphezulu we-DTH Hammers ziphuculwe kakhulu. ...