Centrifugal machines; Centrifugal pumps; Compressed air pumps; Turbocompressors; Centrifugal fan condensers; Blowing machines for the compression, sucking and carrying of grain; Compressed air machines; Air condensers

non-metal enhancement parts and technology for boilers, exhaust heat recovery systems, gas heat exchangers and economizers used to boost thermal augmentation and efficiency

Boundary layer disc turbine engines for power generation