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Hammer drill
Hammer drill
Stir paint to mix before using
Stir paint to mix before using
Phone with keyboard on the back / inside
Phone with keyboard on the back / inside
Fix a leaking car radiator or pipe by adding fluid sealant to the inside rather than trying to seal from outside
Fix a leaking car radiator or pipe by a…
Car transporter
Car transporter
Disneyland
Disneyland
Multi storey car park
Multi storey car park
Serrated or scalloped edges on a hole punch
Serrated or scalloped edges on a hole p…
Conical instead of plain flange joint
Conical instead of plain flange joint
Petronas towers elevators
Petronas towers elevators
Curved bristles on a toothbrush
Curved bristles on a toothbrush
Serrated or scalloped edges on a knife blade
Serrated or scalloped edges on a knife …
Infra-red pointer for presentations
Infra-red pointer for presentations
Up and down slopes for trains at stations to improve efficiency
Up and down slopes for trains at statio…
Spiral staircase to use less floor area
Spiral staircase to use less floor area
Pizza box with ribbed base for strength
Pizza box with ribbed base for strength
Coiled telephone cable
Coiled telephone cable
Pareto analysis
Pareto analysis
Roughing and Finishing machining operations
Roughing and Finishing machining operat…
When painting walls, don't use the roller right up to the ceiling; touch up with a brush
When painting walls, don't use the roll…
Overfill holes with plaster before rubbing down to a flat finish
Overfill holes with plaster before rubb…
Shrink wrapping to remove excess plastic
Shrink wrapping to remove excess plastic
Top off fuel to get more into the tank
Top off fuel to get more into the tank
A folding car to help get into the tights of parking spaces
A folding car to help get into the tigh…