Please answer the engineering problem as soon as possible. Answer letter A only.

What the requirements  for the Plumbing Design for water supply? What the requirements  for Plumbing Design for drainage systems? What the requirements  for acoustical control in buildings? What are some types of Mechanical System Design in buildings? Kindly answer all the questions. Thank you.

Write an article to introduce yourself using the name of a person named Ahmed from Iraq, the city of Basra. He is twenty years old, loves football, and is currently a university student studying at the University of Kufa, Faculty of Mechanical Engineering, third stage, Air Conditioning Department.

How do civil engineers apply principles of computational electromagnetics and grounding system design to ensure safety and protect sensitive electronic equipment from electrical faults and lightning strikes