Labels:earth | hakham | map | person | plant | plaything | school newspaper | sculpture | sky | tree | windowpane OCR: PRINCIPL ES OF SCIENCE This screen allows you to choose one of the scientific principles that underlie the machines in The Way Things Work. Wor PRINCIPL ES SCIENCE Workahop GEARS AND SENSORSAND DETE OR SPRINGS SCREWS PICTURE Clicking here takes you RESSURE FRICTION straight to thris principle DNILVOA ELECTRICITY "science article CAMSAND WHEEAS SOLND CRANK MAGNETISS LOOKATA PBTNPT: OF SCIENCE ARTICLE Indr LEVERS Oprlons IMNCE LKGHT AND COMPUTERS HEXY TELECOMMUNICATIONS HELP CONTENTS bere WHERIS PRINCJIPLE TENTS
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