treatment of the surfaces of equipment adapted for use in conjunction with a cathodic sputter coating apparatus, namely, sputter targets, backing plates and sputter chamber shields

metal and metal alloy components adapted for use with a cathodic sputtering coating apparatus, namely, sputtering targets and backing plates

METAL WALKWAYS, HANDRAILS, TRUSSES, TOWERS, COLUMNS AND BRACES COMPRISING SUPPORT SYSTEMS FOR CONVEYORS FOR CARRYING BULK AGRICULTURAL MATERIALS ATTACHED TO SUCH CONVEYORS

METAL STAIRS AND STAIRWAYS FOR USE IN CONJUNCTION WITH AGRICULTURAL STORAGE STRUCTURES AND CONVEYING EQUIPMENT