Please capitalize where necessary: here are a few testimonies from those present.
A: Here are a few testimonies from those present.

Please capitalize where necessary: last norwegian raft case
A: Last Norwegian raft case

Please capitalize where necessary: in particular were giant steps taken in the end of the 40s when scientist developed a method to make pure, crystalline silicon out of sand.
A: In particular were giant steps taken in the end of the 40s when scientist developed a method to make pure, crystalline silicon out of sand.

Please capitalize where necessary: red and green colours for easy use
A:
Red and green colours for easy use