These experiences in toolmaking, metrology, and manufacturing steeped him in the 19th-century zeitgeist of interchangeability. Neanderthal toolmaking changed little over hundreds of thousands of years. Mechanical engineering and toolmaking were the main industries practised within the town. Excavations have yielded evidence of refuse middens, houses, toolmaking workshops, and human remains. Education in the prehistoric times mostly consisted of hunting, fishing, toolmaking, and combat. Grinding practice is a large and diverse area of manufacturing and toolmaking. The company specialized in manufacturing parts, as well as fixture and toolmaking. Jasper is also present and was used for toolmaking by prehistoric inhabitants of the area. Other important industries in Rhode Island's past included toolmaking, costume jewelry, and silverware. Another type of brittle and drab-coloured flint found in the area was unsuitable for toolmaking. Archeologists classify these as Acheulean, i.e. 'second-generation' toolmaking that succeeds the very oldest Olduwan. Beck left home at 17 to become a toolmaking apprentice at Fisher & Paykel. This was developed by a German toolmaking company. Larson had found it funny that cows would be really bad at toolmaking. The toolmaking in Steinhausen was sold to Wisi'on Tool AG in 2005.