The swirl of construction dust and sound of jackhammers can be overwhelming during the day. Some say the city looks best at night.
白天城市到处都是建筑灰尘和工地上的声音。有人说，晚上这座城市最漂亮。
Noise is another hazard. Working with noisy tools such as jackhammers requires proper, effective use of hearing protection. Ear plugs and earmuff type hearing protection is recommended.
噪音是另一种危险。使用手提钻之类的噪音工具时，必须佩戴有效的听力保护装置。建议使用耳塞和耳罩听力保护装置。
Noise is another hazard. Working with noisy tools such as jackhammers requires proper, effective use of hearing protection. Ear plugs and earmuff type hearing protection is recommended.
噪音是另一种危险。使用手提钻之类的噪音工具时，必须佩戴有效的听力保护装置。建议使用耳塞和耳罩听力保护装置。
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