At his dacha in hot weather use air conditioning own design based on VOSTOCHNOGO fan. I was attached to his box, which is put in the supine position for a few plastic bottles of frozen in the refrigerator with water. The fan blows air between them— and it comes out chilled.
Recommend to read
SIMPLEST ANTI-THEFT DEVICE
What devices are invented so that the attackers couldn't steal a car. Steering lock, gear shift knob, wheels, dodgy electrics off, the impact on the psyche of a siren, light shows and...
SKIN — BREAKING
To cut sandpaper with scissors should not be as abrasive material will quickly dull the tool. I suggest doing it with a knife. Need to put sandpaper abrasive layer down, and on its back...