1, occupations near coastal areas.
2. Engage in water-related occupations.
3, such as fish farming, aquatic products management, shipping, western restaurants, cosmetics, advertising, news, export, fire protection, trade and other mobile occupations.
4. Cleaning, sweeping the floor, swimming pools and vegetable markets sell cold food (such as fish, meat, tofu and other water-based things), tour guides, toys, vocal music, fire-fighting equipment and fishing gear.
I hope I can help you. I've thought about anything that can be related to water. I can only offer these suggestions. Please adopt and evaluate.