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Some plastics are now referred to as being ' degradable ', ' oxy-degradable ' or ' UV-degradable '.
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Some and plastics
Some biopolymers-such as polylactic acid ( PLA ), naturally occurring zein, and poly-3-hydroxybutyrate can be used as plastics, replacing the need for polystyrene or polyethylene based plastics.
Some of the equipment is now made of plastic for cost, ruggedness, and convenience reasons, but glass is still used for some applications because it is relatively inert, transparent, more heat-resistant than some plastics up to a point, and relatively easy to customize.
Some plastics also have more advantageous optical properties than glass, such as better transmission of visible light and greater absorption of ultraviolet light.
Some plastics have a greater index of refraction than most types of glass ; this is useful in the making of corrective lenses shaped to correct various vision abnormalities such as myopia, allowing thinner lenses for a given prescription.
Some of these innovations include the invention of monofilament nylon fishing lines, the fiberglass ( later graphite composite ) fishing rod, the electric trolling motor, the fish finder / depth locator, and new artificial lures and baits made of various plastics.
Some manufacturing activity also takes place in the city, mostly in the industrial, southwestern quarter, which is home to a number of electronics, pharmaceuticals and plastics firms.
Some of the plastics offer very good protection from penetration as in lexan ( bulletproof glass ) but will not crush on impact, so the outer shell will look undamaged but the inner EPS will be crushed.
Some of the products manufactured here include cooking oil, flour, cement, plastics, bottling and candies.
Some boats use frames made of mountain ash, spruce and marine plywood, while others use aluminium tubing and various plastics, and a few newer boats such as Fujita and Firstlight use carbon fiber or glass-reinforced plastic tubing.
Some purchased companies included Willor Manufacturing Corp., American Beryllium Co., Inc., of Sarasota, Florida, Arco Electronics, and several plastics companies.
Some composite mailboxes made of resilient polymer plastics and mounted on ground spikes can withstand severe impacts from baseball bats or even being run over by a vehicle.
Some materials like plastics as well as other non-metals and some metals have a tendency to heat up enough to expand making the hole smaller than desired.
Some plastics are manufactured from re-cycled materials but their use in engineering tends to be limited because the consistency of formulation and their physical properties tend to be less consistent.
Some of these materials " breathe " better than metals or plastics, preventing the buildup of sebum in the enlarged ear lobe.
Some organosulfur compounds in the environment, are generated as minor by-products of industrial processes such as the manufacture of plastics and tires.
Some microcellular plastics are created by the Solid-State Foaming Process, which saturates a thermoplastic with an inert gas at very high pressures.
Some polymers containing sulfone groups have gained prominence in the field of engineering plastics.
Some petrochemical-based plastics are considered biodegradable, and may be used as an additive to improve the performance of many commercial bioplastics.
Some and are
Some of us might be inclined to argue, in fact, that an independence of mind and action and an intolerance of regimentation, either mental or physical, are particularly Southern traits.
Some years ago Julian Huxley proposed to an audience made up of members of the British Association for the Advancement of Science that `` man's supernormal or extra-sensory faculties are ( now ) in the same case as were his mathematical faculties during the ice age ''.
Some historians have found his point of view not to their taste, others have complained that he makes the Tory tradition appear `` contemptible rather than intelligible '', while a sympathetic critic has remarked that the `` intricate interplay of social dynamics and political activity of which, at times, politicians are the ignorant marionettes is not a field for the exercise of his talents ''.
Some accounts are quite lengthy but Florida's is the shortest of all, requiring only four paragraphs.
Some plant-location specialists take these signs to mean St. Louis county doesn't want industry, and so they avoid the area, and more jobs are lost.
Some brilliant rookies nailed them down, so that this spring just two spots, left and right field, are really up for grabs.
Some of the stumps are as much as three feet long, but most of them have been flattened by the pressure of the overlying sediments.
Some 45 frequencies are assigned for use primarily by dominant Class 1, -- A or Class 1, -- B clear-channel stations, designed to operate with adequate power and to provide service -- both groundwave and ( at night ) skywave -- over large areas and at great distances, being protected against interference to the degree necessary to achieve this objective.
Some of them are obvious, such as the fact that we associate recorded and live music with our responses and behavior in different types of environments and social settings.
Some general things to look for in a site, if you haven't already bought one, are accessibility, water drainage, and orientation.
Some distribution costs are kept up by competitive pressure, some by the fact that the customers have come to expect certain niceties and flourishes.
( Some suspensions break up before they are near to the direction of shear, and some become asymptotic to it without breakup.
Some experiments are composed of repetitions of independent trials, each with two possible outcomes.
Some phonetic features, for example glottal catch or murmur, are sometimes to be assigned to segmental phonemics and sometimes to accentual systems.
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