6 METAL MAILBOXES AND POSTS, THEREFOR; [ METAL GRIDS FOR SUPPORTING SUSPENDED CEILING PANELS AND TILES; ] METAL CLOTHES CHUTE DOORS; METAL VENTS FOR USE IN CONSTRUCTION, NAMELY, ROOF, ROOF JACK, ROOF RIDGE, GABLE, WALL, EAVE, SOFFET, FOUNDATION, MASONRY WALL CAP AND NON-POWERED TURBINE VENTS AND VACUUM CAPS THEREFOR