... /output / others operating by workerA:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C:tools for worker operating.5 ... with gear and other equipmentA:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C:AUTO feeding systermD:Motor ... bricks . together with steam . with windowns holes outside.A:boiler,B:steam tank ,steam pipes,water pipes,valve,pressure meters,C: ...