1 The terminal was constructed of reinforced concrete.

2 The posts have to be set in concrete.

3 Concrete is a mixture of sand and cement.

4 The path is paved with concrete slabs.

5 A row of reinforced concrete pillars supports the bridge.

6 Cutting concrete would blunt a metal-cutting tool.

7 Physics deals with the forces acting on concrete objects.

8 Wait for the concrete to go hard.

9 Beauty is not concrete,(www.Sentencedict.com) but a window is.

10 Could you give us a concrete case?

11 Why did you concrete over that nice garden?

12 The walls are constructed of concrete.

13 The statue has a solid concrete base.

14 They presented concrete proposals for improvement.

15 'It's only a suspicion,' she said, 'nothing concrete.'

16 The concrete gets slippery when it's wet.

17 The figures provide concrete evidence of the bank's claim to provide the best service.

18 The bomb shelter has concrete walls that are three metres thick.

19 This is an urban tragedy that needs concrete action, not just concern.

20 It is easier to think in concrete terms rather than in the abstract.

21 The concrete will set after a certain time.

22 It is hard to prevent concrete from creeping.

23 The bare concrete floor was cold on my feet.

24 What does that mean in concrete terms ?

25 Concrete is liable to crack in very cold weather.

26 He jumped the gate, landing on the concrete.

27 The sports hall was a rather barren concrete building.

28 The pathway is formed from large pebbles set in concrete.

29 This outback area is a far cry from the city's concrete jungle.

30 The foundation of the house is built from rubble overlaid with concrete.