
Cork
Material Origin
 Cork is a sustainable natural material from the bark of cork oaks. 
Cork for wine bottles is harvested from trees without harm.
 Common Usage
 Besides wine bottles, cork is used in notice boards and flooring. 
She pinned the note onto the cork board above her desk.
 Cultural Significance
 Popping a cork from a bottle often signifies celebration. 
They popped the cork of a champagne bottle on New Year's Eve.