7 Fans, being parts for machines, in particular axial fans, radial fans, crossflow fans, chemical fans, process fans, draught fans, vacuum fans, circulation fans, exhaust fans, regeneration gas fans, turbo fans, circulating fans, flue gas fans and airflow fans; compactors (machines), in particular air compressors, turbo compactors, process gas compressors and vapour seals; compressors (machines); centrifuges and centrifugal mixers; valves (parts of machines), in particular blow-off valves, bottom valves; centrifugal dryers (machine)