Hello Wushu,
This is not an easy task, and these may not be what you have in mind.
Allow me to tackle the problem anyway.
1. “an FW” instead of “a FW”
2. a comma after “I have one”.
3. no parentheses, instead, a semicolon after “here”
4. no parentheses but commas like “,Nikon CP 4500,”
5....