Text: length: 1 - 2 metres or 1.5 - 3 metres

Correct capitalization: Length: 1 - 2 metres or 1.5 - 3 metres

Text: 16. on what condition can public opinion polls be conducted on the day of the referendum?

Correct capitalization: 16. On what condition can public opinion polls be conducted on the day of the referendum?

Text: show family tree starting with william m ringhoff

Correct capitalization: Show family tree starting with William M Ringhoff

Text: recycle bin is a special directory where the files that are deleted from the hard drives using windows explorer or the desktop reside.

Correct capitalization:
Recycle bin is a special directory where the files that are deleted from the hard drives using Windows Explorer or the desktop reside.