WEDGE AGAINST DRAFTS

WEDGE AGAINST THE DRAFTShould open wide the window in the opposite room and from the powerful draught begin to shut the door. This will not happen if the walls are strengthened on the floor of a small wedge: not only will he hold the door in open position, but prevents the wall from hitting the door handle.

Recommend to read

  • LIFEGUARD SUBMERSIBLE PUMPSLIFEGUARD SUBMERSIBLE PUMPS
    In the process of exploitation of the deep (submersible) pumps often break. To catch them on the outside of the flange for lifting from the well is impossible due to the tight fit of the...
  • “SHARK”, AND NOT SHOWING TEETH“SHARK”, AND NOT SHOWING TEETH
    Reconnaissance-torpedo bomber Blackburn Shark. In 1933 the air Ministry of great Britain has issued a document S. 15/33, which stipulates the requirements for a new scout-spotter-torpedo...