If the flashlight is to strengthen the tin bracket with a motor from a child’s toy, the axis of which is planted miniature celluloid propeller, and connect the motor to the battery of a flashlight, get a portable fan, which could become a mechanical fan and refresh face in heat.
Recommend to read
MINI TRACTOR STUDENT
No, the headline is not a hoax. And not even the "joint work of members Kota, led by a talented teacher and organizer of technical creativity of rural children". It is a workable...
A CHAIN WITHOUT A CHAIN
Latch shown in the figure, with success can replace a regular door chain, differing from it reliability and ease of use,— when the door is opened it just enough to push his foot and the...
