If the head of the screw to give with the help of nalilsya the form shown in the figure, then any attacker will not be able to turn. On such hardware it is recommended to set sensible things sailing and motor boats, hook locks.
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When pouring the boiling water from the kettle didn't fall cover, fabricated sheet metal a simple device that secures the lid in an inclined position of the kettle. C. DACKOW, Novovyatsk
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I live in Krasnoyarsk Krai. I have my own house and a small garden plot. Every spring, while digging the vegetable garden, I thought about how to ease — mechanize — this laborious work. So...
