SUDOKU

ACROSS

1 Assembles (10)

8 Corrupt (5)

9 In a ship (2,5)

10 Having a will (7)

11 Moral overview (5)

12 Crucial point in time (9)

15 Arrange fabric (5)

17 Source of nicotine (7)

19 Accomplish (7)

20 Implicit (5)

21 Oven incorporating a spit (10)

DOWN

2 DNA units (5)

3 Dependent (7)

4 Frequent travellers (13)

5 Furniture item (5)

6 Hidden (away) (7)

7 Appends (4)

8 Ballot (4)

12 Atmospheric conditions (7)

13 Frequent visitor (7)

14 Crushing defeat (4)

15 Binary (4)

16 Appoint (5)

18 Desert plants (5)