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Vortex strips along aircraft wing
Vortex strips along aircraft wing
Aircraft wing shape
Aircraft wing shape
Swim-bladder inside a fish
Swim-bladder inside a fish
Aerostatic aeroplane
Aerostatic aeroplane
Kayak floatation foam
Kayak floatation foam
Hover mower
Hover mower
Foaming agent injected into logs to help floatation
Foaming agent injected into logs to hel…
Security bollards
Security bollards
Retractable dog lead
Retractable dog lead
Retractable lead on an iron
Retractable lead on an iron
Power-lead retracts into the vacuum cleaner
Power-lead retracts into the vacuum cle…
Tape measure
Tape measure
Aircraft landing gear
Aircraft landing gear
Pointer for presentations
Pointer for presentations
Car aerial
Car aerial
Seat belt mechanism
Seat belt mechanism
Multi-layer erosion/corrosion coatings
Multi-layer erosion/corrosion coatings
Stacking chairs
Stacking chairs
Telescope
Telescope
Nested tables
Nested tables
Lining inside a coat
Lining inside a coat
Injected cavity-wall insulation
Injected cavity-wall insulation
Introduce voids into 3D structures
Introduce voids into 3D structures
Retractable aircraft under-carriage
Retractable aircraft under-carriage