Последние добавленные видео:
extract-gold
-
8 years ago
6251307 8 years ago 14:21Extracting gold from computer parts (Part 1)
-
6 years ago
1812681 6 years ago 4:05How to Extract Gold from a Circuit Board | Earth Science
-
3 years ago
41916 3 years ago 6:07Extracting Gold from Seawater
-
12 years ago
149189 12 years ago 4:05How to Extract Gold from a Circuit Board - Bang Goes the Theory - BBC
-
8 years ago
2897339 8 years ago 17:53Extracting gold from computer parts (Part 2)
-
3 years ago
63571 3 years ago 9:14How To Mine Gold From Electronics | World Wide Waste