- A miner's lamp is fixed onto his helmet.
- Nanjing Xuanwu Tunnel,a subaqueous highway tunnel in the centre of the city is a typical geoengineering project in vulnerable environment.
- There are various types of the rivermouth bars in the Minjiang River Estuary.The bar of the Chuanshi Channel is a subaqueous jetted type.
- A stray bullet struck his steel helmet and glanced off.
- Jerry: I never had a beard. I kept my hair inside the helmet.