21.   In vivo rectal dialysis reflects epithelial transport if the dialysis bag is in close contact with the rectal mucosa, and does not equilibrate with faeces or fluid.

22.   Cling film or polythene bags are required for keeping unused icing tightly wrapped and air-free at all times, as otherwise it quickly dries out.

23.   Insert the required nozzle, if using, into the bag and spoon in the icing so that the bag is no more than two-thirds full.

24.   She had given the instruction more to get the hysterical woman out of her hair, since she already knew her medical bag was on the way.

25.   Then he was there, and that beautiful black bag was beside her.

26.   They sought shelter under the trees, and Travis checked that their bags were as waterproof as possible.

27.   Rubbish bags are on sale at the local supermarket, and labels have to be affixed.

28.   At first he thought her body was a bag of rubbish but then saw her rucksack.

29.   Among the items for sale will be ten bags of logs, vegetables for Sunday dinner, and free ironing for a week.

30.   What bag is that?