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.
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SCREWS TRANSFORMER
When a bike will travel thousands of kilometers and the spokes on the wheels spabot, tighten them — not an easy task: rust and dirt do the job just unbearable. Offer a simple way to...
THERE IS A WATER PUMP WORKS, DRIED OUT, WAIT
The proposed device is designed for automatic control of vibrionaceae Malysh, Rucheek and the like for operation in boreholes (wells) with a low flow rate of water or for periodic...
