china's minister for water resources chen lei and ida auken signing the agreement during the 6th world water forum.

How would the previous sentence be correctly capitalized?
Answer: China's Minister for Water Resources Chen Lei and Ida Auken signing the agreement during The 6th World Water Forum.
this is a piece of the emperor.

How would the previous sentence be correctly capitalized?
Answer: This is a piece of the emperor.
last year, it made a 55-inch display with a transmittance of 40 percent.

How would the previous sentence be correctly capitalized?
Answer: Last year, it made a 55-inch display with a transmittance of 40 percent.
protection ip00 or ip20

How would the previous sentence be correctly capitalized?
Answer: Protection IP00 or IP20