resistant to light
121Clindamycin — Systematic (IUPAC) name methyl 7 chloro 6,7 …
122Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …
123Spider-Man's powers and equipment — The fateful spider bite that gave Peter Parker his powers. Amazing Fantasy #15, art by Steve Ditko. Spider Man s powers, abilities, and equipment are used by Marvel Comics superhero Spider Man in tandem to combat his many foes. He receives most… …
124Airline seat — Airline seats are chairs on an airliner in which passengers are accommodated for the duration of the journey. Such seats are usually arranged in rows running across the airplane s fuselage. A diagram of such seats in an aircraft is called an… …
125Spot blotch (wheat) — Spot blotch is a leaf disease of wheat caused by Cochliobolus sativus .cite book last = Wiese first = M.V. title = Compendium of wheat diseases publisher = American Phytopathological Society date = 1987 pages = 124 pp ] cite book last = Martens… …
126Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… …
127art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
128petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
