Assertion: eel's tank | /r/MadeOf | concrete or fibre glass
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The tanks are usually made from concrete or fibre glass, and the setup also features filtration systems to remove debris such as faeces and waste food particles from the water.
text: The tanks are usually made from concrete or fibre glass, and the setup also features filtration systems to remove debris such as faeces and waste food particles from the water.