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.
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Our journal has been published many designs of the plane. Basically, they are similar: there is a welded casing with base plate and mounted on the housing of the drive motor with the...
