What are 2 advantages of water power?
A power shower head mixes moving air with water, to increase the strength of the water coming from the shower head, while using less water. The advantages are lower water bills, using less water and protecting the environment. Some reviews of power shower heads indicate that the claims are untrue, and that the product does not work as is a waste of money.
1 describe a direct cold water system and list 2 advantages and 2 disadvantages of this type of system?
Reverse osmosis is the process of passing water through a filter to improve the quality of the water. The advantages of such a process are that it is environmentally friendly as it does not use chemicals, it can be small in size, it does not use much power and it improves the taste of the water by removing contaminants.
Electrical power advantages include: 1. clean. 2. cheap 3. easily be switched on and off 4. Easy to transport via power lines 5. Easy to convert 6. Can be produced using many methods Disadvantages: 1. often made through dirty methods 2. Can be unsafe if not handled correctly 3. Humans can become dependent on the regular flow of energy