11.  These have to be tested and followed up in new lines of inquiry.

12.  The company has just launched a new line of small, low-priced computers.

13.  Digital priced the new line at less than half the cost of comparable mainframes.

14.  ...the need to improve existing products and develop new lines.

15.  The designers will preview their new lines at the fashion show.

16.  The designer is introducing a new line of clothes.

17.  His discoveries inspired a whole new line of scientific research.

18.  The police are pursuing a new line of inquiry.

19.  However, she pursued this new line with enthusiasm.

20.  Start a new line if a new person is speaking.