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The paper cups that are used as containers for yogurt, for example, generally have two types of lids: heat-seal foil lids used for small "single serving" containers, and 150–200 ml (5–7 US fl oz) plastic press-on, resealable lids used for large "family size" containers, 250–1,000 ml (8–30 US fl oz), where not all of the yogurt may be ...
A paper for air filters needs to be very porous and have a weight of 100–200 g/m 2. Normally particularly long fibrous pulp that is mercerised is used to get these properties. The paper is normally impregnated to improve the resistance to moisture. [1]: 113 Some heavy duty qualities are made to be rinsed and thereby extend the life of the filter.
The United States Environmental Protection Agency (EPA) has found that recycling causes 35% less water pollution and 74% less air pollution than making virgin paper. [19] Pulp mills can be sources of both air and water pollution, especially if they are producing bleached pulp. Modern mills produce considerably less pollution than those of a few ...
Trinitite. Trinitite, also known as atomsite or Alamogordo glass, [1] [2] is the glassy residue left on the desert floor after the plutonium-based Trinity nuclear bomb test on July 16, 1945, near Alamogordo, New Mexico.