Assertion: boiler's tube | /r/MadeOf | water
Facets:
Source sentences:
text: Watertube - the fire or hot gases are directed to and around the outside of tubes containing water, arranged in a vertical position.
text: Inside this type of boiler, there are narrower tubes than inside a fire-tube boiler, and the tubes contain water instead of hot gases.
text: The combustion area of a boiler normally has tubes containing water and steam passing through an open box that may contain burners and controls.
text: Water tube: where tubes will contain water and steam as the combustible fuel flows around the tube.