December 17, 2016
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The aluminates, ferrates, etc., allied chemically to the borates, have been already introduced among the oxides. They include the species of the Spinel Group.
The furnaces used in assaying are many in design, varying mainly with the kind of fuel used. The furnaces are classified as follows: (1) Pot
Some assayers check their fire-assays of lead by a wet method. For the convenience of those who desire a rapid method to check their fire-assays,
Electric Vibrating Feeder The Electric Vibratory Feeder is a vibrator that provides an extremely efficient, simple and economical solution to the problem of making the most
As with ore mining operations it is necessary to leave an underground mine in a socially responsible state when mining ceases because underground mining has
In addition to the operational issues of dust control, confined spaces electrical dangers and poor visibility that we’ve discussed in the previous topic there are