S27E11: Mortars and Pestles, Bowling Lane Conditioners, Crematories, Wood Playsets

Stone blanks are cut, ground and polished into matching mortars and pestles. Tanks, pumps, applicators and controls are installed in machines that clean and oil bowling lanes; insulated combustion chambers and exhaust systems are assembled into crematories; and treated lumber is cut, drilled and joined into outdoor playsets.