Offer to improve a closure for closing window frames: it a metal plate with a slot for fixing the “tongue” needs to be set obliquely, as shown in the figure. Now, if zakryvanii frame in the direction indicated by the arrow, the tighter she will be attracted to the school, and your apartment will get rid of draughts.
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If you need to pour the liquid from the jar into a container with a narrow neck and a funnel on hand that can be use inverted lid with a hole from a teapot or sugar bowl. R. MOROSIN, Vologda
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Today we offer our readers a model of two-stage missiles S1C and S2B, developed by a member of the team To, Butrova. Its peculiarity is the unusual principle of resetting the second...
