When drilling brick or concrete wall it is necessary to periodically clean the hole from dust particles. Some people use a sort of syringe, the rubber bulb. I propose to use in these cases wetted in water and braided between two segments of wire with a piece of cotton. The dust adheres and is easily removed from the hole and also easily washed off in water containers.
Recommend to read
THE MOTOR BOAT “LADA-75”
Thousands of boats and boats, Amateur-built project of OKB "M-K", travel through the water spaces of rivers, lakes and even seas of our vast country. It's hugely popular "Muscovite",...
WHAT IS BLINKING ON THE TREE?
Among the variety of flashing Christmas lights increasingly popular get the "ultra simple", consisting... only of the LEDs. Instead of the usual piles of circuit design (with electronic...
