Michael在天花板上的排气管道中爬行，通过下面的排气口了解自己的方位。
Michael moves through the ducts above the ceiling, crawling along on his belly, and peering below him through the air vent system.
负责维持食品操作区域地面，墙壁，天花板和排气孔的清洁，按照时间表严格执行。
Responsible for maintaining the cleanliness of floor, wall, ceiling and exhaust hood for all food preparation areas, with a proper schedule.
温热的空气通过遮阳板顶端的热排气窗口和温度传感器的风扇排出。
The warmed air is exhausted by the heat exhauster window and the fan with temperature sensor at top part of the 'brise-soleil'.
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