An article is textual and illustrative material in which the author sets the task of analyzing social situations, processes, phenomena, primarily from the point of view of the patterns underlying them.

History of Russian brick

The word "brick" is borrowed from Turkic languages. Before brick, Rus' used a “plinth” - a thin and wide clay plate measuring about 40 x 40 cm, with a thickness of 2.5 to 4 cm. Such a plinth, for example, was used in the construction of the St. Sophia Cathedral in Kyiv. The shape and size of the plinth are explained by the ease of molding, drying and firing “thin” bricks. It was made in special wooden forms, dried for 10-14 days, and then fired in a kiln.

Replacing ceramic glazes containing hazardous substances with less harmful analogues

Some ceramic glazes contain lead and other hazardous elements. The authors suggest replacing them with less harmful analogues. The article describes various types of lead-free glazes, their compositions, properties and manufacturing methods. Particular attention is paid to decorative effects.

A brief introduction to dry mortar formulations

The other day I was able to attend a seminar conducted by the commercial director of the Maska plant in Novosibirsk for wholesale buyers of dry building mixtures. Having recorded his speech by milestones, I approached him with a proposal to post the most interesting information on the site.


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