In the heading, delete class 6 "metal windows, doors, millwork and accessories, namely, screens, grilles, handles, knobs, locks, hinges and sills" is deleted. The following "Non-metal windows, doors, millwork, exclusive of cabinets, and accessories, namely, screens, grilles, corner blocks, casings, mouldings, mullion covers, brickmold trims, sill nosings, drywall return receivers, jamb extenders, frame expanders, vinyl drip caps and J channels" is deleted, and "wood windows and doors, metal clad wood windows and doors, and vinyl windows and doors" is inserted.