To clean very dirty floors in commercial premises or to refresh a larger area, including the site with asphalt or tile floors, a country or a plot, will allow that such scrubber brush. From traditional it is characterized in that as cutting a pipe (plastic or metal), which through a flexible hose connected to the water supply.
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“METALKA” FOAM
Today, perhaps, it is difficult to find a more affordable material suitable for the manufacture of flying model than the foam. It is different, but is most common packing or "ball"....
“ANTIGRAVITATOR”
Even the heavy bag or the bag will seem half the size, if you use our advice and make them removable handle. To make it out of plywood with a thickness of 10 -12 mm from the PCB or plexiglass.