When you need to hammer a nail near the ledge of the wooden parts, then there is always the danger of damaging it. However, this will not happen if you use any metal or plastic strip installed between the nail and the ledge, it will send the hammer and protects the edge of the part.
Recommend to read
MACHINE FOR MY SON
The car was conceived and executed as a valid simulator for the novice driver — my 15-year-old son Maxim that he could get it driving skills, and also to assemble-disassemble and repair...
FLEXIBLE CONNECTION
The homebrew is often used segments of rubber hose as a flexible coupling when connecting coaxial shafts, particularly in those cases where the rotation speed is small, and the shafts...