Motorized bicycles. See "Dirt Bikes" or "Motorcycles" for those items.
Hydraulic floor jacks. Also includes mechanical jacks without a hydraulic component such as farm jacks, scissor jacks, and jack stands.
Metal constructed wheelbarrows.
Automatic or manual garage door openers, track and metal components of garage doors.
Gas fireplace inserts.
Gas or Electric Ranges, Stoves, Ovens
Brake components from vehicles.
Piano plates, generally made out of cast iron.
Non-automotive wheels with rubber attached. For car and truck rims, see "Wheels, Automotive".