Eexplores the benefits and uses of the screw. RobbO and RobbEE learn how to hold materials together using a screw, and how to use it to lift up loads and raise water.
Eexplores the benefits and uses of the screw. RobbO and RobbEE learn how to hold materials together using a screw, and how to use it to lift up loads and raise water.
General Note
Includes index.
Content Note
The robots' workshop -- Through the rock -- Archimedes' screw -- Screws that lift -- The swivel chair -- Screws that press -- Screws that grip -- Nuts and bolts -- The car jack -- Robbo's science -- Workshop -- A helicopter machine.