Assertion: trampoline's spring | /r/MadeOf | galvanized steel
Facets:
Source sentences:
text: Less The frame, enclosure poles, and springs are all made of galvanized steel so it doesn’t rust and is our choice as the best outdoor trampoline.
text: Also, these springs are made from galvanised steel.
text: The springs are made of galvanized steel and they are connected to the jumping mat.
text: Also, these springs are made from galvanised steel.