7 machine parts in the nature of parts for industrial applications, namely, engine housings; machine parts in the nature of parts for industrial applications, namely, generator housings, stub shafts, and generator drive assemblies; machine parts in the nature of parts for industrial applications, namely, housing adaptors; machine parts in the nature of parts for industrial applications, namely, shafts and bearing supported stub shafts; machine parts in the nature of parts for industrial applications, namely, drive shafts; machine parts in the nature of parts for industrial applications, namely, pump mounting plates; machine parts in the nature of parts for industrial applications, namely, flexible couplings; machine parts in the nature of parts for industrial applications, namely, flywheel couplings; machine parts in the nature of parts for industrial applications, namely, drive shaft couplings