| Aerosol Cans | Aerosol Sprayers | Air Brakes |
| Air Hockey | Airbags | Amusement Park Rides |
| Aqualungs | Artificial Hearts | Audio Speakers |
| Automobile Safety Belts | Ball Point Pens | Ballet |
| Basketball | Basketball Shoes | Beer Kegs |
| Beserker | Bicycle Helmets | Billiards |
| Blimps | Blood Circulation | Blowguns |
| Boats | Bobsledding | Boomerangs |
| Bowling | Bows and Arrows | Bungee Jumping |
| Burglar Alarms | Butane Lighters | Cable Cars |
| Can Openers | Cannons | Canoeing |
| Carousels | Catamarans | Catapults |
| Chainsaws | Coffee Makers | Combines |
| Crossbows | Curling Irons | Dancing |
| Darts | Discus | Dishwashers |
| Diving Boards | Doorbells | Drums |
| Electric Blankets | Electric Fencing | Electric Guitars |
| Electric Irons | Escalators | Espresso Machines |
| Fax Machines | Field Hockey | Fire Alarms |
| Fire Extinguishers | Fishing | Fishing Rods |
| Flashlights | Fly Fishing | Foosball |
| Football | Gliders | Gliders |
| Global Navigation Systems | Golf | Grandfather Clocks |
| Guitars | Gumball Machines | Guns |
| Gymnastics | Gyroscopes | Hair Dryers |
| Hammocks | Hang Gliders | Helicopters |
| High Jump | Hot Tubs | Hot Water Heaters |
| Hover Craft | Human Hearts | Humidifiers |
| Hurdles | Hydraulic Theatres | Hydrofoils |
| Ice Cream Makers | Ice Hockey | Ice Skating |
| Infrared Remote Controls | Jai Alai | Jet Skis |
| Kayaks | Kites | Lacrosse |
| Lava Lamps | Lawn Mowers | Lawn Sprinklers |
| Locks | Mechanical Pencils | Metal Detectors |
| Microphones | Motorcycle Jumping | Mousetraps |
| Oboes | Oscillating Fans | Overhead Projectors |
| Paddle Ball | Parachutes | Pencil Sharpeners |
| Percolators | Phonographs | Pianos |
| Ping-Pong | Pneumatic Screwdrivers | Pogo Sticks |
| Pole Vault | Pool | Pool Filter Systems |
| Popcorn | Printing Presses | Printing Presses |
| Radar | Radar Guns | Revolvers |
| Rifles | Rock Climbing | Rollerblades |
| Rowing | Running | Running Shoes |
| Sailboats | Scissors Jacks | Scuba |
| Seatbelts | Sewing Machines | Ships |
| Skateboards | Skiing | Sleds |
| Slinkies | Smoke Detectors | Soccer |
| Solar Heating | Sonar | Space Heaters |
| Speedometers | Spray Cans | Springboard Diving |
| Stage Lighting | Staplers | Stealth Jets |
| Steam Engines | Submarines | Surfboards |
| Swimming | Swing Sets | Tennis |
| Tennis | Thunderstorms | Thunderstorms |
| Toasters | Toilets | Torpedoes |
| Tower Cranes | Toy Cars | Trumpets |
| Tubas | Ultralights | Umbrellas |
| VCRs | Vending Machines | Volleyball |
| Water Clocks | Water Guns | Water Pumps |
| Water Skiing | Waterwheels | Weight Machines |
| Wind Surfers | Wind Tunnels | Windmills |
| Wrestling | Yo-Yo's |