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imgtutorial

Building a Ball Mill for Grinding Chemicals

Learn how to build a ball mill for grinding solids into fine powders. Commercial ball mills can cost more than $100, but with this tutorial you'll be able to make one that works just as well for no more than $30!
Views 7732 | Rating 73 | Comments 11| Date Aug 11, 2007
imgtutorial

How to take care of my goldfish

If you whant to know how to take care of you littel friend in the fishball,the you might be interestet in some of the tips that you will find here.
Views 1285 | Rating 8 | Comments 1| Date May 22, 2010