Free illustration materials

• 
  Perpetual motion
• 
  Fluorescent lamp (round-straight tube-bulb) (lighting)
• 
  Oil plant
• 
  People who use mobile batteries
• 
  AC adapter
• 
  Alessandro-Volta caricature
• 
  Firewood
• 
  3P outlet
• 
  Charging plug for electric vehicles
• 
  Tank truck
• 
  Water meter receiver
• 
  Person who drops the breaker
• 
  Telephone pole-Telegraph pole
• 
  Transmission line
• 
  Wizard of thunder
• 
  Gas station employee to refuel
• 
  Hydrogen vehicle
• 
  Oil in drums
• 
  Power saving (unplug)
• 
  Fukushima Daiichi Nuclear Power Plant (after the accident)
• 
  Eco Cute
• 
  Town with utility poles
• 
  Bean charcoal
• 
  Person who refuels at a self-stand
• 
  Light bulb
• 
  Fire-Flame
• 
  Edison caricature
• 
  Water Wizard
• 
  Oil King
• 
  Coal group

• 
  Power outage (before and after)
• 
  Alessandro-Volta caricature
• 
  Person with a heavy plastic tank
• 
  Thermal power plant
• 
  Male adjusting the temperature of the air conditioner (power saving)
• 
  Power saving (unplug)
• 
  Oil King
• 
  Person who has the switch off (power saving)
• 
  Oil in drums
• 
  Edison caricature
• 
  Oil plant
• 
  Rare metal