If the room is cold, and you work at a Desk and do you have cold hands — warm them, here is an unusual mini-fireplace, build which is not particularly difficult. You only need a curved polished metal sheet on a heat-resistant stand, and a bunch of tablets of dry alcohol, familiar to tourists and hunters.
Recommend to read
NON-MOTORIZED RECORD
Glider-soaring leader A-15 created by the design team, headed by the General designer, Antonov ASTC, in 1959 and was designed with the latest achievements of gliding in the USSR and...
AMPHIBIAN VICKERS VIKING
In December 1918, the chief designer of the British company "Vickers aircraft" Pearson took over the project of amphibian aircraft. The idea looked interesting: this machine could be...