How to degrease aluminum before gluing
For high-quality application of galvanic, paint and varnish (including powder) and other types of coatings, it is necessary
Size
Devices for sharpening knives, design and manufacture
Sharpening a knife correctly by hand is quite difficult. It will take some time to develop the habit of maintaining a constant angle
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Principles of selection and operation of metal shears and drill attachments
An electric drill is one of the most popular tools that beginners have in businesses, but
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What is tire pyrolysis: the essence of the operating method of a pyrolysis tire processing plant
The number of cars in Russia is increasing every year, and at the same time the number of worn tires is also growing.
First results of work
How to properly plant a fruit tree with your own hands?
A good orchard is the pride of any owner of a personal plot or cottage. Some are even
Thyristor contactor
Scheme of a thyristor soft start device for an asynchronous electric motor. Assemble with your own hands.
In the process of various switchings using electromagnetic starters, relays, contactors and other equipment, in
Converting a starter into an electric motor with your own hands
Converting a starter into an electric motor with your own hands
Anyone who often travels off-road sooner or later understands the need for such a simple
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Do-it-yourself chip ejector: a step-by-step process for making a cyclone-type sawdust vacuum cleaner for beginners according to drawings
One unpleasant feature when working with wood is the presence of a large amount of shavings, sawdust and
This is what thyristors look like
Thyristors: principle of operation, testing and characteristics
What is a thyristor, its structure and designation on the diagram? A thyristor is a semiconductor element that has
Samples of reinforcement of different diameters
Reinforcement: weight 1 meter, standard rod length, quantity in ton
Reinforced concrete structures in construction are the most durable, which is why they are used in the construction of foundations
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