2016 7 8ensp;0183;ensp;B.C. MEDIUM DEVELOPMENTS. 4000 B.C. Boiled tree sap, called pitch, was distilled into turpentine as a paint thinner for the resin paints. Also, alcohol was fermented as a drink and as a thinner for alcohol based paints, made from another tree sap or grapes.
Collection of weekly news and commentaries from John Betts, lecturer, author, photographer, mineral collector, and mineral dealer. Practical everyday advice for mineral collectors on building and organizing mineral collections.
2016 4 14ensp;0183;ensp;07 The JONES is a unique designed Wet High Intensity Magnetic Separator (WHIMS) which can separate feeble magnetic material from non magnetic material at very fine grain sizes (lt; 2 mm), depending on the application.
While the prior page was more about colonization motivation and methods, this page is more about good planets, hell hole planets, scouting good planets, and changing hell hole planets into good planets.
2018 10 24ensp;0183;ensp;This page contains a numerical NAICS code list 2017. Users can view and lookup an index of 2017 NAICS codes in numerical order.
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