Shot of scientist examining wheat rust on wheat heads and stalks in laboratory. Several MCSs and CSs of wheat counter in operation. CSs of wheat samples being weighed. MCS of wheat sample being placed in centrifuge, of centrifuge in operation. Shot of wheat being placed in grinder, of ground wheat being examined. Various shots of liquids bubbling in test tubes. Several shots of dockage and moisture tests being made on grain sample. MCS of flour sifters in operation.