ECA

construction machinery and equipment, namely, [ concrete mixers, derricks, ] hoists [, hoisting engines, steam shovels, cranes, excavators, back fillers, steam pumps, gas and electric centrifugal pumps, gas and electric diaphragm pumps, air and electric sump pumps, air compressors, steam hammers and road rollers ]

[ construction machinery and equipment, namely, steam and gas locomotives ]