Simulated assembly test (Work Sample no. 8) assessing the ability to perform conveyor-belt type assembly work, with manual and test sheets, containing rotating phonograph-like disk with holes along rim, and three bins containing small parts coloured white, gray, or black, made by Valpar International Corporation, Tucson, Arizona, United States, c. 1980. Simulated assembly test (Work Sample no. 8) assessing the ability to perform conveyor-belt type assembly work circa 1980