1. Finned tube

2. Air cooler
3. Radiator
4. Ultrasonic system to increase fuel efficiency and reduce pollutants in power plants
5. High-efficiency solar collectors for solar thermal generation

6. Different types of desalinators:
a) Industrial and domestic vacuum desalinators
b) MSF desalinators for utilization on ships and boats
c) Solar desalinators for agricultural use with Solar Pond technology