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2. Fiber-reinforced composite - Wikipedia

   en.wikipedia.org/wiki/Fiber-reinforced_composite

   A fiber-reinforced composite (FRC) is a composite building material that consists of three components: [ 1 ][ 2 ] the fibers as the discontinuous or dispersed phase, the matrix as the continuous phase, and. the fine interphase region, also known as the interface. This is a type of advanced composite group, which makes use of rice husk, rice ...

3. Composite material - Wikipedia

   en.wikipedia.org/wiki/Composite_material

   A black carbon fibre (used as a reinforcement component) compared to a human hair. Composites are formed by combining materials together to form an overall structure with properties that differ from that of the individual components. A composite material (also called a composition material or shortened to composite, which is the common name) is ...

4. Urea-formaldehyde - Wikipedia

   en.wikipedia.org/wiki/Urea-formaldehyde

   Urea-formaldehyde (UF), also known as urea-methanal, so named for its common synthesis pathway and overall structure, [1] is a nontransparent thermosetting resin or polymer. It is produced from urea and formaldehyde. These resins are used in adhesives, plywood, particle board, medium-density fibreboard (MDF), and molded objects.

5. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Polycarbonate. Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily worked, molded, and thermoformed. Because of these properties, polycarbonates find many ...

6. List of unusual units of measurement - Wikipedia

   en.wikipedia.org/wiki/List_of_unusual_units_of...

   It is routinely used for measuring strong liquor or spirits when the amount served and consumed is smaller than the more common measures of alcoholic "drink" and "pint". There is a legally defined maximum size of a serving in some jurisdictions. The size of a "single" shot is 20–60 ml (0.70–2.11 imp fl oz; 0.68–2.03 US fl oz).