11 pressurized oil gasification machines, coal gasification machines, catalytic cracking machines, hazardous and industrial waste incineration machines, ammonia synthesis machines and parts for the aforesaid goods; heat exchangers, distillation trays, chemical reactors pressure vessels; components for nuclear primary loops; namely, steam generators, steam regenerators; components for the secondary and ancillary loops; namely, feedwater economizers, coolers, condensers, steam/water separators, waste heat boilers for all the above processes and applications