Ubwino wa Fly Ash mu Kukonzekera-kusakaniza Konkriti

Ndi: | Yatumizidwa: ntchentche Ash | Lachisanu, Jul 3, 2020 - 6:52ndili
Fly Ash in concrete

Fly ash is the most mineral residue left over from burning coal by coal-fired power plants. Fly phulusa ndi pozzolanic, meaning that it has cementitious properties. It is valuable for


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Vale Akuchita $3 Bilion To Tory Iron Ore Processing

Ndi: | Yatumizidwa: Maminolo | Lachisanu, Jul 31, 2020 - 6:50ndili
Dry iron ore processing

Kampani ya Vale do Reio Doce (CVRD) ndi imodzi mwamakampani akuluakulu amigodi padziko lapansi. Atafika ku Brazil, ali ndi migodi ntchito 30 mayiko padziko lonse lapansi. Iwo


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