What coil do not occur now in our everyday life and tape, and fishing, typewriter and film projector and all have one awkward feature: they are wound — tends to unwind. For all of them a simple and reliable latch will serve kolejno of underwear elastic: soft and wide, it does not give content to unwind the coil.
Recommend to read
REKORDSMENKA CHARACTER
In the fall of 1978 with a group of rocketmodeler I was going to leave for a training camp in the Crimea. Literally the day before our departure from there to Central aeromodelling club...
REED SECURITY — SIMPLY AND EFFICIENTLY
Security systems are a rapidly developing area of modern electronics. Published a huge number of various schemes and designs that can make anyone a couple of times was holding the...
