THE LOCK

LOCKRemember how unenviable position was one of the heroes of the book of Ilf and Petrov “the Twelve chairs”, when he slammed the door with an English castle? Of course, tragicomic the described situation is presented in a slightly grotesque form, but still… there are cases when the owner of the door lock with automatic latch we have to sneak into their apartment through the window or through the door.

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THE “TOOTHED” WASHER

To lock in the Assembly of the timber frame elements at a certain angle, usually used bolts or studs. For strength additionally use glue, nails, communication “vpoldereva”. Not less strong, however, get a connection using such a “toothed” washers. The advantage of a significant: parse such a mount is only a few minutes.

CELL INSULATION

The lightest three-layer plate with a honeycomb filler can be obtained, if you use this hint. The middle layer is empty matchboxes glued in a checkerboard pattern, for example, the sheet of hardboard and then covered with another sheet of paper, also greased with glue.