making or repairing footwear or other articles of hides, skins or leather, other than sewing machines; parts thereof: imported by the US in 2012-09 $3,391,618.00 of HTS Code 8453 ??? nuclear reactors, boilers, machinery and mechanical appliances; parts thereof: machinery for preparing, tanning or working hides, skins or leather or for making or repairing footwear or other articles of hides, skins