engineering report

In the attachment you will find a first draft of a report regarding the subject( Explore globally methods to clear exchanger tubes blocked by calcium carbonate)

The draft needs to be completed as per the following parts:
a. What is a heat exchanger (parts, components, and functionality)[ explain thoroughly ]
b. What are the damage mechanisms of heat exchangers especially in petroleum refineries.[ explain thoroughly ]
c. Calcium carbonate blockage on tubes how it happens and why. [explain thoroughly]
d. inspection of heat exchanger as per API standard and asme codes. [ explain thoroughly ]
e. Cleaning Methods of calcium carbonate [explain thoroughly]

Format should be as per the following:
Introduction: intro to the body
Body: content of the parts needed to be explained.
Conclusion: summary of the whole thing

Note:
Include good quality photos as many as possible.
Citation needed.
Word count (3000 words) (single spaced pages)

Report should be written scientifically and from engineering point of view.