Shovel — ancient as the world, the instruments of labor. The design of it worked for centuries, and new, it would seem, not to invent. However, enthusiasts no-no and suggest something: the shape of the blade will change, then the stem, then attach the extra handle. Here’s one of those pens. Bolted to the big shovels shovel, it makes the job less tiring, and hence more productive.
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THE RETURN OF THE BOOMERANG
40 SECONDS IN THE AIR, THE RANGE OF DIRECT FLIGHT 114 M AND THE TOTAL LENGTH OF THE TRAJECTORY IS ABOUT ONE - THIRD OF THE KILOMETER- THESE ARE RECORD FIGURES RECORDED BY THE...
FLAP INSTEAD OF GLASSES
When working with a rotating cutting tool it is recommended to use special protective glasses. Their role can play a makeshift shield-the intake is made of metal strips and thin sheets of Plexiglas.
