7 Driving chains, other than for land vehicles; elevators chains being parts of machines; traction chains being parts of machines, namely, roller chains being parts of machines, tire chains and over-the-tire track systems for skid-steer loaders and other construction machinery; conveyor chains; gears for machines, for traction chains, roller chains, and tire chains and over-the- tire track systems for skid-steer loaders and other construction machinery; machine parts, namely, slide guides for chains; conveyors being machines; modular conveyors belts for transporting products; machine parts, namely, guides for chains and conveyors