Angles for twist drill sharpening In this video I demonstrate a Twist Drill Sharpening technique for beginners, that is quick, simple and highly accurate. Step 1. Be aware of the correct angles of a sharp twist drill. Step 2. Set up some guidelines on the bench grinder. Step 3. Use the guidelines on the bench ...
Calculating the age of a person or object in Excel is a very useful feature. This can be applied to any need to calculate the time elapsed between 2 dates. There are several ways of doing this depending on your needs. In this video I demonstrate the most useful formulas for calculating age in Excel. ...
Anatomy of a drill bit Cutting edge –with drill pointing away from you, cutting edge is on the left and is straight and angled at about 60 degrees from the long axis of the side of the bit or 120 degrees off the long axis from the point. Trailing edge – Is on the right ...
How to make a wicking bed In this video ‘Setting up a garden wicking bed for beginners ‘ I demonstrate how to construct and set up a garden wicking bed for planting seedlings. In his demonstration I take the option of building the garden wicking bed from timber and then lining it with a waterproof ...
