- Air ducts
- Aluminium
- Ant colonies
- Broken glass
- Bubble wrap
- Cellophane
- Cement, concrete
- Chernozem soil
- Condensation
- Cotton candy
- Electrical outlets
- Electroconductive gel
- Electrode stickers
- Honey
- Insects carrying & drinking water
- Oil refineries
- Oil spills
- Petroleum jelly
- Pipes
- Pouring water
- Scaffolding
- Silk
- Sparkly gray slime
- Stalagmites, stalactites
- Tunnels, caves, holes
- Water reservoirs
- Volcanic lightning
- Wool insulation
apr 23 2024 ∞
jul 22 2024 +