• Air and tear enders
• Air carriers
• Air passages
• Air passages, at times
• Air passageways
• Channels
• Conduits
• Conduits for moving fluid or air
• Conveyors of a sort
• Flues
• Heat conduits
• Heat pipes
• Heating pipes
• Part of a building's infrastructure
• Passages
• Passageways
• Pipes
• Place for tears
• Some have tears
• Tear carriers
• Tear channels
• Tear tubes
• They bring tears to one's eyes
• Tubes
• Tubes for tears
• Vas deferens and others
• Ventilation pipes
• Water conduits
• Where some tears are found
• Where tears may be found