
A simple feeder for small birds can be done literally in minutes, using a tin can and a stick of wood or a suitable diameter of the branch.
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A CATAMARAN WITHOUT SAILS AND OARS
Recently outboard motor was held in high esteem by the water-tourists. However, in recent years a large part of the waters became inaccessible for boats with internal combustion engines....
SAFE STAIRS
Reversible ladder — a device simple and reliable. But only in ideal conditions, and when the floor is smooth and wall is straight. And if you have to work, say, in the stairwell on the...