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Lead-free solder - in simple terms, is a category of materials whose chemical composition does not contain

One of the ancient products that people learned to extract from this drink was butter.

The car frame is the main supporting structure to which other components are attached. Frame body structure

Nowadays, welding is needed to connect parts made of different materials, such as metal. There are many

There is no uniform standardization for metal anchors, so the products are similar in design, but manufactured by different

A fire spreading within the walls of a building or structure containing cylinders with compressed and

Home craftsmen perform a large number of jobs that require cutting boards or sheet materials.

Mechanized submerged surfacing of cylindrical and flat parts is a development of manual surfacing methods using electrodes.

The volumes of sunflower oil shipped for export reach new highs every autumn, increasing by 300 thousand tons.

Positive properties Rosin was obtained from cuts of coniferous trees. Volatile components were evaporated. The remainder was three