Automated pet appliances, namely, metal pet doors; Automated security gates of metal; Chicken-houses of metal; Doors of metal; Folding doors of metal; Guard rails of metal; Metal gazebos; Metal pet doors; Metal safety doors; Metal safety gates for babies, children, and pets; Metal step stools; Portable metal gates and fencing panels used to control livestock; Removable metal safety swimming pool fencing and fencing gates; Stairs of metal; Step ladders made of metal