Articles and materials, wholly or in chief part of metal, for use in the manufacture of the following: Ball or roller bearings or parts thereof; Boilers or parts thereof; Captive balloons or parts thereof to be employed in logging; Cylinder stave saws or parts thereof to be employed in sawmills; Engines of heading 84.12 or parts thereof; Freight cars, log skidders or motor vehicles for the transport of goods, or parts thereof, to be employed in logging; Internal combustion piston engines or parts thereof, not including outboard motors or engines of a kind used for the propulsion of vehicles of Chapter 87 and parts thereof; Machinery or parts thereof of Chapter 84 to be employed in logging; Nuclear reactors or parts thereof; Sand cast rolls or chilled cast rolls; Saw blades to be employed in logging or in sawmills; Steam turbines or parts thereof; Trailers or parts thereof for self-propelled logging trucks; Wheel type stave jointers, crozing machines or champhering machines, and parts thereof.

Articles and materials, wholly or in chief part of metal, for use in the manufacture of the following: Ball or roller bearings or parts thereof; Boilers or parts thereof; Captive balloons or parts thereof to be employed in logging; Cylinder stave saws or parts thereof to be employed in sawmills; Engines of heading 84.12 or parts thereof; Freight cars, log skidders or motor vehicles for the transport of goods, or parts thereof, to be employed in logging; Internal combustion piston engines or parts thereof, not including outboard motors or engines of a kind used for the propulsion of vehicles of Chapter 87 and parts thereof; Machinery or parts thereof of Chapter 84 to be employed in logging; Nuclear reactors or parts thereof; Sand cast rolls or chilled cast rolls; Saw blades to be employed in logging or in sawmills; Steam turbines or parts thereof; Trailers or parts thereof for self-propelled logging trucks; Wheel type stave jointers, crozing machines or champhering machines, and parts thereof.