Video Footage: Inspector Checks Quality Of Grain In A Large Warehouse - Writes Checks To The Documents Data

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1960s 1964 agriculture america american appraiser bacteriologist bags biologist biology business calorie checks clean control crystal data delicious department documents examiner experiment factory food government grain granulated granule hand holding industrial industry ingredient inspecting inspector inspectors investigator job lab laboratory large manufacturing meat millet monitor monitoring occupation plant production protein quality raw refinery refining regulate regulation reviewer safe sample states stock sugar surveyor sweetener takes taking testing the united usa usda warehouse white wholesome worker writes 4k