The soles of the feet when digging the ground, will not be so uncomfortable if the shoulders of the shovel to pull the trim rubber or plastic garden hose.
During operation, the hose is not slipping, the nozzle should be made from a single piece, having in the middle a cutout for the shaft.
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Modernizing the plow and harrow
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GLASS CUTTER-JEWELER
Work with roller glass cutter will be much more accurate if the basis for such processing, as shown in the figure.