Frame:office
[when <a href="time.html">time</a>] [where <a href="downtown-building.html">downtown-building</a>] [part <a href="light.html">light</a>] [attached <a href="air-conditioner.html">air-conditioner</a>] [part <a href="air.html">air</a>] [part <a href="waiting-room.html">waiting-room</a>]