7 electric generators; vibrating and ramming tools and machines, namely, external vibrators, internal vibrators, vibrating rammers, pavement breakers, vibration plates, vibrating screeds and tie tampers, all for use in constructing roads, bridges and foundations, track beds, airport structures and concrete structures; motor-driven, vibrating and oscillating machines and tools, namely, internal and external vibrators, hammers, rammers, rollers, plates, trash pumps and structural parts therefore, all for use in constructing roads, bridges and foundations, track beds, airport structures and concrete structures