11.   The drip system uses perforated tubes to deliver water directly to the root zone, in contrast with the old method of flooding fields.

12.   The patients in the study were heart patients undergoing coronary care known as stenting, where tubes are used to prop open clogged arteries.

13.   The thinner tubes are used in refrigerators, for example.

14.   Then you hook him from behind, using the tube to keep you both afloat, and start kicking.

15.   Then the tubes are used to introduce a fiber-optic camera, specially designed scalpels and other surgical instruments.

16.   Those devices are used to seal off blood vessels and other body structures during non-invasive surgery using tubes inserted through small incisions.

17.   Use white duct tape to mark off yard lines and create goal posts using tubes from rolls of paper towels, drinking straws or white pvc pipes.

18.   With time, the new trachea appears normal when doctors use a tube to look at it.

19.   Working with the United Nations High Commissioner for Refugees, Ban designed simple tents of blue plastic sheets, using cardboard tubes to support them.

20.   Doctors performed a bronchoscopy every few hours over the weekend, using a tube to clear his clogged right lung of mucus.