Can be used in Zone 20 zone 21 and Zone 22 dangerous places. Can be used in explosive or flammable dust atmosphere.

粉尘防爆照明应急两用灯，21区，22区危险场所。 含有爆炸性或可燃性粉尘环境。

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Sensors for almost all materials in the Ex area zone 20 or zone 22 can be delivered as proximity switches up to 80 mm diameter or as used as level monitor with G1 thread.

几乎所有地区的前区20区22号材料，传感器，可提供接近开关到直径80毫米或在一级螺纹g1监视器。

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The map from July 22, 2010, (PDF file) shows that on the day this image was taken from the ISS (July 23, 2010), the north edge of the “oiled” zone was expected to bank up against the Delta.

2010年7月22日的地图（PDF文件）显示，预计在这张ISS的照片拍摄当天（2010年7月23日），该“油污”地带的北部边缘将对着三角洲堆积起来。

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The Schengen zone covers 22 EU states and three non-EU countries - Iceland, Norway and Switzerland.

BBC: EU warned against changing Schengen deal on borders

Kitterman was found bound, blindfolded and fatally stabbed in a car in the Green Zone on May 22.

CNN: Briton held over death of 2 contractors in Baghdad

Prosecutors said Moore was caught doing 51mph in a 40mph zone on Billacombe Road, Plymstock, on 22 February 2011 in a rented car.

BBC: Plymouth driver faked CCTV to avoid speeding fine