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Brick, stone, and timber are known to be the oldest building materials. 1 _______. Their production started in prehistoric times. 2 _______. Thousands of years ago the builders in Egypt already knew the advantages of bricks and used them for construction. 3 _______. Bricks were produced not by burning but by drying in the sun, as it was much sunshine in Egypt all the year round. 4 _______.
Bricks belong to artificial (man-made) materials.
Since then they have been produced and tested in all types of climate and in many countries.
In those days the production of bricks was quite different from the modern one.
Brick work was also popular in Rome, there being very few growing forests and as a result little timber there.