When sawing any, but in particular plastic pipes (due to its “softness”) to withstand the cutting line is exactly perpendicular to the axis (or if necessary – on the contrary, under the right angle) will help the duct tape. Wound appropriately a ring from it will not allow the cutter to get off.
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THE MODEL IS CONTROLLED BY LIGHT
The electronic device described in mi readers, you can install on the toy, equipped with a separate drive for each caterpillar: tank, lunar Rover, Lunokhod. The model moves with...
WHITE ON BLACK
To reduce the time for selection of drills and taps the desired diameter can be, if you whiten them with chalk engraved on their shanks marking. POLYAKOV
