CALIPER

Among the tools and devices for measuring the internal diameter of pipes and other cylindrical bodies is probably the most simple. Made of plywood, plastic or metal, cut an isosceles triangle with a hole of handle. On its lateral sides at the same distance from the top of the apply risks by placing near each Read more…

MICROBALANCE

MICROBALANCELike it or like machine grease and the saying “porridge oil will not spoil” is applicable in the technique not always. Excessive amount of it even at nodes where the friction should be minimal, is not of benefit. But if oil gets on the friction parts of gear, the mechanism may deteriorate. Those who greased intopractice of the tape or the mechanism of EPU, knows what precision is necessary to carry out this operation. Conventional oil can do.

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RELIABLE CONTACT

About how important proper contact of battery terminals, know of any motorist. But sometimes around the lead pin of the battery cracks, through which the electrolyte or its fumes get to the terminals. This causes their rapid oxidation and contact failure. Hermetically seal the crack — a difficult task, but a small protective screen will Read more…

CODE FOR SLIDES

Offer a simple method of organizing the slides in the home photo collection, facilitating their search and even the compilation of the program sequence display. Enough side framework to apply two labels to the form colored points, risks, etc. horizontal line will indicate the belonging to one subject, inclined to the selected priority demonstration.