FROM SMALL TO LARGE

What should be the thickness of the soldering tip screwdriver? Thick more firmly, and slim is suitable for use with small screws and bolts. Combine the advantages of both by replacing traditional flat sharpening stinger combination: with semi-circular longitudinal grooves. This will ensure that the working edge of variable thickness. A screwdriver on the shoulder Read more…

PHOTOCELL PROTECTION

PHOTOCELL PROTECTIONPhotoswitch is a widespread element in various automatic systems, protective devices, meters, etc. depending on the tasks the system is triggered by a photocell can be made instantly (for example, the turnstile in the subway), or via a predetermined gap (the Elevator doors). And in some cases rapid changes in illumination is necessary to analyze the situation and prevent deployment if it turns out to be false.

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ANSWER: X = 3!

Durable wide goats good for working with long logs. How to saw Poleshko, if its length is less than the distance between the supports] it’s very simple! Additional pitch — the third leg closer to one side, and problem solved! The dimensions of the pillars additional supports may be shorter than or equal to key; Read more…