input: He then worked on a book which would explain his theory in more detail
fixed: He then worked on a book which would explain his theory in more detail.

input: Jet Time is a Danishowned airline which was airborne in 2006
fixed: Jet Time is a Danish-owned airline which was airborne in 2006.

input: Compatible with Windows Mac LinuxUnix and any operating system that supports a web browser
fixed: Compatible with Windows, Mac, Linux/Unix and any operating system that supports a web browser.

input: It is important to follow the users manual regarding start up of fuel cells It is not dangerous but methanol must be treated with the same caution as petrol and diesel
fixed:
It is important to follow the user's manual regarding start up of fuel cells. It is not dangerous, but methanol must be treated with the same caution as petrol and diesel.