What's this?
It's a brick
What material is it?
It's steel
What are they?
They are safety glasses
What's this?
It's a roof
What's this?
It's an eave
What's this?
It's a roof garden
What material is this?
It's stainless stell
What's this?
It's a hard hat
What are they?
They're safety boots
What's this?
It's a ceiling