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1954. Expanded polystyrene, used for building insulation, packaging, and cup, was invented by Dow Chemical. [ 1] 1957. Italian firm Montecatini begin large-scale commercial production of isotactic polypropylene. 1960s. High-density polyethylene bottles introduced and soon replace glass bottles in most applications.
Air-driven corner filter. Aquarium filters are critical components of both freshwater and marine aquaria. [1] [2] [3] Aquarium filters remove physical and soluble chemical waste products from aquaria, simplifying maintenance. Furthermore, aquarium filters are necessary to support life as aquaria are relatively small, closed volumes of water ...
Acrylonitrile butadiene styrene. Acrylonitrile butadiene styrene ( ABS) ( chemical formula (C 8 H 8) x · (C 4 H 6) y · (C 3 H 3 N) z ) is a common thermoplastic polymer. Its glass transition temperature is approximately 105 °C (221 °F). [ 4] ABS is amorphous and therefore has no true melting point. ABS is a terpolymer made by polymerizing ...
Bakelite ( / ˈbeɪkəlaɪt / BAY-kə-lyte ), formally polyoxybenzylmethyleneglycolanhydride, is a thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by Leo Baekeland in Yonkers, New York, in 1907, and patented on ...
Freshwater aquarium. A freshwater aquarium is a receptacle that holds one or more freshwater aquatic organisms for decorative, pet-keeping, or research purposes. Modern aquariums are most often made from transparent glass or acrylic glass. Typical inhabitants include fish, plants, amphibians, and invertebrates, such as snails and crustaceans.
Decoupage or découpage ( / ˌdeɪkuːˈpɑːʒ /; [ 1] French: [dekupaʒ]) is the art of decorating an object by gluing colored paper cutouts onto it in combination with special paint effects, gold leaf, and other decorative elements. Commonly, an object like a small box or an item of furniture is covered by cutouts from magazines or from ...
Deicing a large commercial aircraft typically consumes between 500 US gallons (1,900 L) and 1,000 US gallons (3,800 L) of diluted fluid. The cost of fluid varies widely due to market conditions. The amount deicing service companies charge end users is generally in the range of US$8 to US$12 per diluted gallon (US$2.10 to US$3.20 per liter).
Alabama’s Mobile-Tensaw Delta is a more-than 400-square-mile (1,036-square-kilometer) expanse of cypress swamps, oxbow lakes, marshland, hardwood stands and rivers unusually rich in plant and ...