and heating. more than 95% of these people live either in sub-saharan africa or in the poorer communities of asia; 84% of them in rural areas. lighting with solar power costs half as much as lighting with kerosene but the first cost barrier for the poor and cheap short-lived pico-solar technology blocks...
, to cleaning methods and pest management at processing facilities. guide for organic processors organic food labeling the u.s. department of agriculture (usda) has developed four categories of organic labels, based on the percentage of organic content in a product. learn more about organic labeling...
as a heavy rare earth element (hree) it is more common in hree-enriched minerals such as xenotime and euxenite. additionally, erbium is present in ion adsorption clays, which are a major source of hrees due to their relative ease of processing, despite the low percentage quantities of rare earths they...
pieces of pipe used to carry drinking water until new regulations were effected starting in the s. the effects of these applications linger even today--leaded fuel is still sold in developing nations and for some types of aircraft , and lead in plumbing and paint in older buildings is still often causes...
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this ambidextrous cutter is designed to be easy to use and safe. mag ice melt - pellets the pellet's spherical shape works fast to bore through ice and break the surface bond for easy removal of accumulations. performs to - c. multizorb universal absorbent multizorb absorbent is classified as a "super...
of such products to the humans working with them has led to their replacement by safer alternatives for some applications. the deadly properties of arsenic have even been weaponized--a number of chemical agents used in the first world war were arsenic compounds, and agent blue, one of the "rainbow herbicides...
given an injection to induce an autoimmune disease of the heart (autoimmune myocarditis). the rats supplemented with curcumin also showed a reduction in the area of the heart covered by inflammatory lesions and a reduction in the heart's weight-to-body-weight ratio....