Recent content by TEKCRAFT

Do you have a shovel and a strong back (or a friend with a trencher)? One solution is tempered air cooling. This was used here in the 1800's and today in third-world countries. Basically, its a tube burried 2-3 ft deep that air is drawn through to cool the building. A low cost tube is...

Actually this technology is from the good old USA. I have a catalog that is almost 100 years old offering the drill bits and floating head to produce square holes. I had seen this video on another site and laughed when I read that this "great innovation" was developed in Asia. Happy Wrenching!