QUES: A manufacturer of dmx512 highpower led wall washer lww2 at zhongshan karnar lighting electron factory

correct the punctuation.

CORRECTED: A manufacturer of dmx512 high-power led wall washer lww-2 at zhongshan karnar lighting & electron factory.

QUES: After all APIs are meant to be used by their very nature

correct the punctuation.

CORRECTED: After all, APIs are meant to be used by their very nature.

QUES: This is because when you format or restore the iPod all pictures including other data get deleted resulting in data loss

correct the punctuation.

CORRECTED:
This is because, when you format or restore the iPod, all pictures including other data get deleted resulting in data loss