How to sharpen drill bits with a homemade tool for angle grinder ...

Throwing out drill bits is easy. Reusing them takes more thought. This article breaks down realistic ways to reuse them ...

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Nature and quality of sampling (e.g. cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma ...

The cost of replacing your garden tools isn’t cheap, so get more use out of your old ones with a little time and care.