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The aspirator creates a vacuum that draws wood dust up through the holes of the sanding pad. An innovative dust control system has been developed that uses additional exhaust and a slottedanding pad. [3] LEV for orbital sanders [3] Dust control plenum for orbital sander [3] A new dust control plenum has been designed for orbital sanders.
Dust in homes is composed of about 20–50% dead skin cells. [2] The rest, and in offices and other built environments, is composed of small amounts of plant pollen, human hairs, animal fur, textile fibers, paper fibers, minerals from outdoor soil, burnt meteorite particles, and many other materials which may be found in the local environment. [3]
Wood dust is known to be a human carcinogen, based on sufficient evidence of carcinogenicity from studies in humans. It has been demonstrated through human epidemiologic studies that exposure to wood dust increases the occurrence of cancer of the nose (nasal cavities and paranasal sinuses).
By understanding the various parts of vegetables and the nutrients they carry, people can eat well, according to Sherri Stastny, a registered dietitian and a professor in the department of health ...
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From onions to peas to beets, did you know that these particular veggies pack a very nutritious punch?
Of more than 50,000 edible plant species in the world, only a few hundred contribute significantly to human food supplies. Just 15 crop plants provide 90 percent of the world's food energy intake (exclusive of meat), with rice, maize and wheat comprising two-thirds of human food consumption. These three alone are the staples of over 4 billion ...
Additionally, old or improperly stored specimens can cause food poisoning. Other lists of edible seeds, mushrooms, flowers, nuts, vegetable oils and leaves may partially overlap with this one. Separately, a list of poisonous plants catalogs toxic species.