There are many ways to keep a ladder from slipping. The easiest “put on” her old sneakers or shoes with a rubber sole.
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"If we turn the pages of aviation history, you will find that most modern aircraft as heavier than and lighter than air born motorless aircraft were gliders, airships — balloons. Motors...
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I want to share one small advice. I have an old, since Soviet times, wall clock Mayak. In General, a good watch and was exactly, and a good design, and well preserved externally. But one...
