Search results
Results from the WOW.Com Content Network
Any type of woodworking that involves cutting, either by hand or machine, releases sawdust (or wood dust). Because fine sawdust can float through the air, it can be easily inhaled without proper protection, leading to damaging injuries to a woodworker's skin and lungs. Sawdust is also an IARC group 1 Carcinogen.
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).
The closest are the following two passages from Berkeley's A Treatise Concerning the Principles of Human Knowledge, published in 1710: But, say you, surely there is nothing easier than for me to imagine trees, for instance, in a park, or books existing in a closet, and nobody by to perceive them. [2]
Positive tests for dust mite allergies are extremely common among people with asthma. Dust mites are microscopic arachnids whose primary food is dead human skin cells, but they do not live on living people. [18] They and their feces and other allergens are major constituents of house dust, but because they are so heavy they are
The Earth’s trees absorb more than 7 billion metric tons of carbon dioxide — about a fifth of what the world lets out into its atmosphere — and release it back as oxygen or bind it into ...
People who had dust pneumonia often died. [1] There are no official death rates published for the Great Plains in the 1930s. In 1935, dozens of people died in Kansas from dust pneumonia. [1] Red Cross volunteers made and distributed thousands of dust masks, although some farmers and other people in the affected areas refused to wear them. [1]
Because dust is usually between 3 and 5 microns, ... If you're one of the many people out there who struggles to work with significant background noise, but you need a heavy-duty air filter, look ...
Deforestation occurs when humans remove trees from a forested area by cutting or burning, either to harvest timber or to make way for farming. Most deforestation today occurs in tropical forests. The vast majority of this deforestation is because of the production of four commodities: wood, beef, soy, and palm oil. [15]