There are many ways to keep a ladder from slipping. The easiest “put on” her old sneakers or shoes with a rubber sole.
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MACHINE FOR CHARGING NI-CD BATTERIES
The Internet caught the eye diagram of the automatic charger Ni-Cd batteries developed by Yuri Bashkatov. Assembled the circuit on the breadboard — not working. Modeled it on the...
INSOLE FOR SKI…
In the simplest ski attachment over time become loose and start to come unscrewed screws. This can be avoided in the following way. Need to cut out of the walls of the plastic canister...