Please capitalize where necessary: 2 focus wing ds/external corner (incl. in external corner kit, see installation guide)
A: 2 Focus Wing Ds/external corner (incl. in external corner kit, see installation guide)

Q: your work will become part of an exhibition created by children from the children's workshop. recommended for ages three and up.

A: Your work will become part of an exhibition created by children from the Children's Workshop. Recommended for ages three and up.

Q: share your views on this story using the comment section below.
A: Share your views on this story using the comment section below.

Problem: do we simply cease to exist? is life a revolving door of departing and returning to earth in order to eventually achieve personal greatness?
Can you repeat this sentence, but capitalize it?
Answer: Do we simply cease to exist? Is life a revolving door of departing and returning to earth in order to eventually achieve personal greatness?

Text: to learn tai chi chuan, you must be conscious of yourself both physically and mentally.

Correct capitalization: To learn Tai Chi Chuan, you must be conscious of yourself both physically and mentally.

Q: in 1950 daley became the cook county clerk and he held that office until1955 when he ran for and was elected mayor of chicago. richard j. daley held the office of mayor of chicago until he died on december 20, 1976.

A:
In 1950 Daley became the Cook County Clerk and he held that office until1955 when he ran for and was elected Mayor of Chicago. Richard J. Daley held the office of Mayor of Chicago until he died on December 20, 1976.