In the practice of the house master often there are cases associated with loosening or tightening of screws of large diameter. Without the “powerful” screwdriver not to do. Equip her with a pen, as shown and work with it will be much easier.
Recommend to read
The screw on clearance
Modelers in different disciplines often have to deal with the problem of determining the speed of rotation of the parts, screws, shafts, and even cassette recorders. That's what the...
CLAMP-“HARVESTER”
When repairing thin lines (such as a car or refrigerator), it would be good to have on hand a small pipe cutter, and for connection of pipes with swivel nuts — device for rolling. Not...
