1) Furnishings 2) Furniture 3) Tryons 
This is the general term used to describe parts such as flanges, crossovers etc. than can be fitted onto other pieces of equipment.
the small pipes and valves that are used to make up a system of piping. 
Fabricated items, angles, plates, attached to the structural members of the frame. (Cleats, end plates gusset.)
Fittings can be used at both ends of a prop to help to spread the weight load of the ware which can be considerable on multi-level kiln cars.
Adjusting the pattern or garment-to fit the individual figure.