Girl disassembles and assembles a weapon A young girl, probably in a military school in Russia, disassembles and assembles a automatic rifle in just 11 seconds.
Assembly with magnetic screws A man connecting two pieces of wood as the Invis system Mx2, a mounting technology with magnetic drive. The MiniMag Mx drive fits all screwdrivers with rotating 1200-1500 rpm. A magnetic field in turn causes the connection and thus the spin screws and screwed into the bolt without direct contact. Thanks to the magnetic drive, the Invis Mx2 system allows fast assembly and disassembly.
The dismantling of a Rolex watch The watchmaker Tony Williams dismantling and reassembles the infamous Rolex Submariner watch, showing us the whole complicated mechanical magic.
Meanwhile at a school in Russia… The training program in Russia contains assemble/disassemble a Kalashnikov in the framework of the course 'fundamentals of safety and survival'.
LEGO washer and dryer The user "The Brick Wall" designed and assembled a washing machine and dryer from LEGO Technics pieces.
Dismantling a 100 year old Japanese house The dismantling of a 100-year-old Japanese house whose frame is made of wooden planks with great precision, so that they fit together perfectly. This clever procedure requires no nails or screws.
Tool for making chains The assembly of a tool that serves for the easy construction of chains.
Engine with some handmade repairs An engineer disassembles an engine to discover some handmade repairs on it. Pieces of cardboard mounted on the crankshaft and pistons to deal with damage.
Dangerous work A young welder assembles latches with welding and minimal safety measures.