experiments ( , radiation measurements), phosphene perception in space travel is due to the ionizing radiation-induced free radicals that generate chemiluminescent photons from lipid peroxidation. these photons are absorbed by the photoreceptors chromophores, which modify the rhodopsin molecules (bleaching...
in making paper: removes covers from boiler, using hoist and wrenches. ) positions stock boxes under boiler openings to receive cooked rags. ) removes rags stuck in boiler, using metal hook. ) pushes loaded boxes to washer and dumps rags into washer, using hoist. ) turns valves to emit rags from machine...