Freshwater is becoming an increasingly important commodity. Hard rock mineral mining requires vast amounts of water for the extraction of ores. Kwa mfano, in Chile, the world’s largest copper producer,
Wazo la kula afya hakika sio jipya. Moja kuangalia kazi ya kawaida Rockwell kuchukua sisi nyuma ya siku wakati familia ingekuwa kukusanyika karibu muundo
tope nyekundu ni bidhaa ya taka inayotokana na kile kinachojulikana kama Mchakato wa Bayer wakati wa kusafisha bauxite ili kuzalisha alumina (oksidi ya alumini). Kupitia mchakato wa utakaso, alumina inaweza kuwa
Kwa miongo kadhaa, Wataalamu wa huduma za afya wamekuwa wakijaribu kuwashawishi wagonjwa wao kukata nyama nyekundu. Wakati piramidi za chakula ambazo zinaonyesha mahitaji ya kila siku yaliyopendekezwa kwa
Zege ni bidhaa muhimu katika sekta ya ujenzi. Ni gharama nafuu kutengeneza, lakini hutoa ubora wa hali ya juu, Kubadilika, na bidhaa ya kudumu ambayo inaweza kutumika katika idadi ya
NEEDHAM, MASS. – Officials at ST Equipment & Teknolojia LLC (STET) announced that they have finalized an agreement for the purchase and installation of a fly ash beneficiation unit at
Tukio: Ulimwengu wa makaa ya mawe Ash 2019 katika St Louis, Tarehe ya MO: Mei 13 – 16, 2019 Mafafanuzi ya tukio: Akiongea mkutano wa kimataifa wa WOCA ni mkutano wa pamoja wa ifanyikayo wa 8 na
Summer isn’t officially over yet, but once Labor Day weekend has passed us by and the kids are all back in school, many people jump into a fall state of
Mwisho wa Agosti ni mara nyingi pia kuonekana kama mwisho rasmi ya majira ya joto kama siku kupata mfupi na watoto kichwa nyuma ya shule … which brings us
