What are incandescent light bulbs made of?
Incandescent light bulbs take glass, tungsten, nitrogen gas and argon directly. Trace them back and you pass 11 made things on the way to 11 raw materials.
How incandescent light bulbs are made See it on the map
What goes straight in
From the ground: 11 raw materials
- Silica sand through glass
- Limestone through glass
- Tungsten ore through tungsten
- Air through argon
- Rock salt through glass, soda ash
- Water through glass, soda ash
- Trona through glass, soda ash
- Natural gas through tungsten, hydrogen
- Corn through glass, soda ash, carbon dioxide
- Sugarcane through glass, soda ash, carbon dioxide, baker's yeast, molasses
- Sugar beet through glass, soda ash, carbon dioxide, baker's yeast, molasses