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Indeed , the panel is actually the screen , consisting of liquid crystals , color filters , backlighting and the light homogenization system . In addition , the home page provides a job search engine that searches for over 80 job types including entry-level positions and internships . Answer : Repairs , no matter how small , are best left to library personnel who are specially trained to do them with archival quality materials . In the first phase , an alcohol-based product ( ie , an agent composed of 61 % ethanol and emollients ) and a nonantimicrobial soap were used to wash soiled hands . Dining services and most laboratories on campus have freezer storage , but it should be noted that the likelihood of having food or specimens removed in favor of freezing books , no matter how severe the library disaster , are not assured . Covering the years 1937-1982 , the collection includes Balke 's 1937 doctoral dissertation in sports medicine , his 1945 Ph.D. thesis about physical performance at high altitude , and various articles about the impact of altitude and deep space on human physiology .