Heat exchangers not being parts of machines, namely finned tube heat exchangers, bent heat exchangers, heat exchangers in the form of plates, tubular heat exchangers, steam exchangers, direct expansion heat exchangers, combustion turbine inlet air cooling exchangers; condensers, namely air condensers with axial fans, air condensers with centrifugal fans, air condensers with coaxial fans, tubular freon air condensers; cooling evaporators, namely industrial twin-battery evaporators, twin-batter...