Old, leaky canister can still serve as a spray for watering garden lands: just need to neverlet it along the contour of a series of holes with a diameter of 3… 5 mm.
Recommend to read
WITHOUT ALTERATION OF THE POWER SUPPLY
In Amateur radio practice, there are situations when 9-volt DC source you need to obtain 12, and then a higher output voltage. Bail in such cases can I designed a compact transformerless...
GRUMMAN A-6E TRAM INTRUDER
After the Korean war, American experts came to the conclusion that the piston attack aircraft is completely outdated. That is why the leadership of the U.S. Navy approached several...
