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Inês Pinto, nº10Class: 10ºA

LIFE-CHANGING INVENTIONS

Waterproof headphones
Electric wheelchair
3D printing

INVENTIONS

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  • Greater mobility
  • Independence
  • More comfortable
  • Size and weight
  • The battery must be recharged
  • More expensive

Disadvantages

Advantages

Electric wheelchair

Creator: George Klein Date and Place: 1952 in Canadá

  • It's a slow process
  • Not all materials are suitable for 3D printer

Disadvantages

  • Create custom objects
  • Reduction of material waste

Advantages

3D printing

Creator: Chuck Hull Date and Place: 1980 in USA

  • Sound quality
  • Expensive
  • Does not work at extreme depths
  • Waterproof
  • Freedom of movement

Disadvantages

Advantages

Waterproof headphone

Swim and stream