page_title: Traditional brick factory
section_title: Methods of manufacture
hierarchical_section_title: Traditional brick factory / Methods of manufacture
caption_attribution_description: English: Brick making around the turn of the century
context_page_description: A traditional brick factory is a factory for the manufacturing of bricks from mud by humans. There is no modern equipment. All the work is done by workers.
context_section_description: "Bricks" for building may be made from mud. Normally, brick contains the following ingredients:
  Silica (sand) - 50% to 60% by weight
  Alumina (clay) - 20% to 30% by weight
  Lime - 2 to 5% by weight
  Iron oxide - 5 to 6% (not greater than 7%) by weight
  Magnesia - less than 1% by weight
caption: Brick making at the beginning of the 20th century.
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