You need to write four literature review.
The title and the subtitle are mentioned.Title of the papers:-
1. Profile-Based Control for Central Domestic Hot Water Distribution
Authors:- Iglesias, F and Palensky, P
2. The Wasteful Wait we Take for Granted ,Tired of Waiting for Hot Water?
Authors:- John Vastyan
3. Hamwells recirculating shower saves 80 percent of energy, 90 percent of water
Authors:- Lloyd Alter
4. Domestic Hot Water Recirculation Systems, Water Circulation Pumps & Circulators
Authors:- Taco Comfort
Each of literature will be 500 words. Total to be done is 4.