SOFT TWEEZERS

During chemical processing of photographic plates and papers usually use medical tweezers (it can be purchased in the pharmacy). However, the notch in the jaws often damage the emulsion layer. To prevent this put in the jaws of the tweezers p polihlorvinilovuju tube with a diameter of 2-3 mm. pre-softened in acetone. After drying, the Read more…

DIVIDE INTO THREE PARTS

DIVIDE INTO THREE PARTSIt is known that most of the screws ships — lobed, And consequently, when playing them on-models necessary to accurately mark the three holes on the propeller hub, placing their centers is strictly in increments of 120°. Of course, if you need just one screw, this is not too difficult, but a lot of…

RADIO MIC

RADIO MICWe are talking about miniature and low-power VHF transmitter that operates at a distance of only a few tens of meters. The contractor, using a wireless microphone, can move freely around the stage and even down the hall, not being tied to a long cable with amplifying equipment. Sent by the wireless microphone signals taking on a normal VHF radio range. Then, if necessary, enhance them with powerful uzch and reproduced through loudspeakers.

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ELECTRIC GRATER

ELECTRIC GRATERGrind on a hand grater even a dozen carrots – consuming affair, and if you want to prepare food for Pets to shred large quantities of vegetables, fruits? I came out with a simple electric grater. Used motor power of about 200 watts, with a rated shaft speed of 1400 rpm. (it will fit the engine from a household bench grinder; can be used three-phase asynchronous capacitor switching circuit in a single phase network.)

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WORKS ABRASIVE

It often happens that a brand new, recently purchased, pasatizhi, pliers, wire cutters, etc. can neither open nor close. The easiest way to prepare the instrument for operation with abrasive powder (waste ocilogon stone, fine sand, etc.) For this these pliers it is necessary to moisten and sprinkle with abrasive. Twenty to thirty movements and Read more…