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2. Cement - Wikipedia

   en.wikipedia.org/wiki/Cement

   Cement powder in a bag, ready to be mixed with aggregates and water. [1] Cement block construction examples from the Multiplex Manufacturing Company of Toledo, Ohio, in 1905. A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together.

3. Engineered wood - Wikipedia

   en.wikipedia.org/wiki/Engineered_wood

   Large self-supporting wooden roof built for Expo 2000 in Hanover, Germany. Engineered wood, also called mass timber, composite wood, man-made wood, or manufactured board, includes a range of derivative wood products which are manufactured by binding or fixing the strands, particles, fibres, or veneers or boards of wood, together with adhesives, or other methods of fixation [1] to form ...

4. Plasterwork - Wikipedia

   en.wikipedia.org/wiki/Plasterwork

   The first coat or rendering is from 1 ⁄ 2 to 3 ⁄ 4 inches thick, and is mixed in the proportions of from one part of cement to two of sand to one part to five of sand. The finishing or setting coat is about 3 ⁄ 16 inches thick, and is worked with a hand float on the surface of the rendering, which must first be well wetted.

5. Plastic recycling - Wikipedia

   en.wikipedia.org/wiki/Plastic_recycling

   Plastic recycling is the processing of plastic waste into other products. [1] [2] [3] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [4] [5] [6] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.

6. Fibre-reinforced plastic - Wikipedia

   en.wikipedia.org/wiki/Fibre-reinforced_plastic

   Fibre-reinforced plastic (FRP; also called fibre-reinforced polymer, or in American English fiber) is a composite material made of a polymer matrix reinforced with fibres. The fibres are usually glass (in fibreglass ), carbon (in carbon-fibre-reinforced polymer ), aramid , or basalt .

7. Economy of Pakistan - Wikipedia

   en.wikipedia.org/wiki/Economy_of_Pakistan

   The country resorted to cement imports in 1976–77, continuing until 1994–95. The cement sector, comprising 27 plants, contributes over Rs 30 billion to the national exchequer in taxes. By 2013, Pakistan's cement industry grew rapidly, driven by demand from Afghanistan and countries boosting the real estate sector.

8. Carbon black - Wikipedia

   en.wikipedia.org/wiki/Carbon_black

   ISBN 0-15-657716-X. This is a contemporary English language edition of a work originally published in German. Meyer, Ralph. The Artist's Handbook of Materials and Techniques. Fifth Edition, Revised and Updated. Viking (1991) ISBN 0-670-83701-6; Carbon Black: A users guide. Published by the International Carbon Black Association.

9. Human impact on the environment - Wikipedia

   en.wikipedia.org/wiki/Human_impact_on_the...

   Human impact on the environment. From top left, clockwise: satellite image of Southeast Asian haze; IAEA experts investigate the Fukushima disaster; a seabird during an oil spill; depiction of deforestation of Brazil's Atlantic forest by Portuguese settlers, c. 1820 –25; acid mine drainage in the Rio Tinto; industrial fishing in 1997, a practice that has led to overfishing.