When working with larger screws are sometimes difficult to work a regular screwdriver: small torque. To facilitate this operation I use a hand drill instead of drill — the largest insert from the set of interchangeable elements in a versatile screwdriver. Due to this tightening requires less effort and is faster. B. ROGOZHIN, Kolchugino, Vladimir region
Recommend to read
Gas TANK
For works in chemical laboratory hydrogen is produced usually by the reaction of zinc with hydrochloric acid (HCL). Sometimes you need a small amount of gas, and 1 g of zinc makes about...
COLOGNE IS STAIN
Experienced carpenters know that the products made of pine it is impossible to starve — can ruin the natural structure of the tree. If you want to strengthen the wood pattern, I use an...
