... / others operating by workerA:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C:tools for worker operating.5.5 ... gear and other equipmentA:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C:AUTO feeding systermD:Motor for ... with windowns holes outside.A:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C:AUTO feeding systermD:Motor E:tempreture ...