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science (Area (video (lights, graphics, sound, Brightness, Quality, color,…

- - - - vibration
        
        signal
        
        brain
- - - - Microphone
        
        transfer
        
        Electrical
    - - speakers
        
        transfer
        
        sound
  - - - ipod
      - Phone
      - Record-Player
      - MP3-Player
      - Speaker
      - ipad
      - stereo
      - computer
      - radio
      - Bluetooth
      - Mini-portable
      - vinyl Albums
      - Wearable-MP3
- - - - cooper
        
        Density
        
        8.92 grams
        
        Melting-point
        
        1,085 °C
        
        Boiling-point
        
        2,562 °C
    - - Melting piont
        
        260°-316°c
      - Tpyes
        
        18
    - - PVC (Polyvinyl chloride)
      - LDPE (Low-density Polyethylene)
      - HDPE (High-density polyethylene)
      - PETE (Polyethylene, terephthalate)
      - PP (Polypropylene)
      - PS (Polystyrene)
      - OTHER (Acrylic....ect)
    - - bass