Combination of abstract to concrete noun?

Examples of abstract, concrete noun combinations:

• Statue of Liberty (statue is a concrete noun; liberty of an abstract noun)
• science building (science is an abstract noun; building is a concrete noun)
• bargain basement (bargain is an abstract noun; basement is a concrete noun)
• the noun 'air' is a concrete noun as a Word for the substance that surrounds the earth; the noun 'air' is an abstract noun as a Word for the ambiance of a place.
• the noun 'heart' is a concrete noun as a Word for an organ of the body; the noun 'heart' is an abstract noun as a Word for the essence of something.
• the noun 'edge' is a concrete noun as a Word for the sharp side of a blade; the noun 'edge' is an abstract noun as a Word for an advantage.