1 When he climbed in the snow he always carried a silver flask of brandy for emergencies.

2 He took out a metal flask from a canvas bag.

3 A vacuum flask keeps cool drinks cool and hot drinks hot.

4 The flask is completely watertight, even when laid on its side.

5 We took a flask of tea with us.

6 She pulled out her flask and drank from it.

7 Milk sloshed around in the flask.

8 There's some sandwiches here and a flask of coffee.

9 The meat in all of the open flasks putrefied.

10 Four or five men were drinking tea from flasks.

11 He took a swig of whisky from his hip flask.

12 The vacuum flask has a strong casing(),[] which won't crack or chip.

13 She had a habit of taking an occasional nip from a flask of cognac.

14 The graduations are marked on the side of the flask.

15 She made sandwiches, filled a flask and put sugar in.

16 Careful with that flask Have you got your anorak?

17 The juggler juggled three flasks.

18 Toasting their successful ascent to the summit, she lifts her flask in the air, and father waves his walking stick.

19 A beaker and a flask steamed on the bench beside him as he spoke.

20 I heave an armchair into the kitchen, lay out some light reading, and prepare a flask of coffee.