Cleaning contacts
How to clean contacts: rating of popular cleaners
When operating a car, owners constantly have a question: how to clean the contacts? Offers for cleaners
How to distinguish silver from cupronickel at home
Not every family can boast of having silver cutlery, let alone those with full
What is the thermal conductivity of building materials table
The leading trends in modern construction are the construction of houses with maximum energy efficiency. That is, with
Manual metal surfacing and welding: technology, equipment, types and methods
07/21/2020 Let's consider one of the traditionally popular methods of restoring the original geometry of worn parts. In focus
How to harden a spring with your own hands?
Do-it-yourself spring manufacturing and hardening technology
To harden a spring means to subject it to heat treatment in order to increase strength, elasticity,
Which radiator to choose for cooling a semiconductor
Solving the cooling problem Low-power LEDs, for example: 3528, 5050 and the like, give off heat for
How to plug a water pipe without welding or threading
As long as pipes are used in plumbing, there are plugs on them. These details
Steel 65x13 for knives
Steel 65x13 for knives - characteristics, pros and cons
Steel 65x13 is a tool steel and belongs to the martensitic class. In Russia it is used for the manufacture of cutting
Why do metals rust and how to prevent rust?
Metal sellers are well acquainted with such manifestations of metal corrosion as rust and know how much
Accessories for jewelry: metals, alloys, coatings and their features
Jewelry alloy - what is it? Medical and other stainless steels Jewelry alloys without claims
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