Crossword Puzzle Where pieces are put together?

Clue: Where pieces are put together?

Putting areas (GREENS with 6 letters)
Chicken pieces that aren't legs, thighs or wings (BREASTS with 7 letters)
Putting area (GREEN with 5 letters)
Posh area of Phila. (MAINLINE with 8 letters)
Level area on a chart (PLATEAU with 7 letters)
Coastal area (e.g. INLET with 5 letters)
Library area (e.g. CARREL with 6 letters)
Ships' areas (STERNS with 6 letters)
Something under the counter that puts people under the table (KEG with 3 letters)
Aretha's sister (ERMA with 4 letters)