sick building syndrome(A set of symptoms, including headaches, fatigue, eye irritation, and dizziness, typically affecting workers in modern airtight office buildings and thought to be caused by indoor pollutants, such as formaldehyde fumes, particulate matter, microorganisms, etc.)
seepage water(Water that moves slowly through small openings of a porous material such as soil or the amount of water that has been involved in seepage)
