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What is thiosulfate leaching?


What is thiosulfate leaching? Thiosulphate leaching is a process that removes gold from gold bearing ores without the use of cyanide. Although not as aggressive a leaching agent as cyanide,…

Are college students studying less?


Are college students studying less? College students today are spending less time studying than they did in the past, according to a recent report. The University of California study finds…

What is MAC NC42 skin tone?


What is MAC NC42 skin tone? NC42. true medium golden undertone for medium skin. What's the difference between NC40 and nw40? MAC makes their products according to the colour wheel,…