knowledge and expertise have been passed down via word of mouth, from parent to child; each new generation continues to refine the different stages of the manufacturing process. The roles of the stamper, polisher, blacksmith, shearer, cutter, hammerer, miller, turner, adjuster, groover, welder, riveter, boilermaker, shear-former, programmer, marker, injector, draper, assembler and conditioner have all evolved with time. Manual skills go hand in hand with innovative techniques: good hands make good products.