Native speakers' opinion needed!?

Hi everyone! I need opinions from native speakers of English. Please dont look up on the internet or in a dictionary, just tell me what comes into you

Hi everyone! I need opinions from native speakers of English.
Please don't look up on the internet or in a dictionary, just tell me what comes into your mind first!
Thank you!

'A crushed thin sheet is essentially a mass of conical points connected by curved energy-storing ridges.'

What does 'thin sheet' mean here?

or:Hi everyone! I need opinions from native speakers of English. Please don't look up on the internet or in a dictionary, just tell me what comes into your mind first!Thank you!'A crushed thin sheet is essentially a mass of conical points connected by curved energy-storing ridges.'What does 'thin sheet' mean here?

or:I would guess Metal in this instance, but without more circumstantial information it's hard to tell.

Tags:opinion,