11.   And then there are the tubes.

12.   Apparently the filler tube was so low that it siphoned water away, lowering the water in the tank, leading to the self-flush.

13.   A tracheostomy tube is in his throat.

14.   But on days when the tubes are endless and motor drives are used to shoot sequences, some photographers have additional rigs waiting for them on the beach.

15.   But Smalley said the single-walled tubes are inherently much stronger and may have a host of uses.

16.   Cardboard paper-towel tubes were liquor bottles.

17.   Ear tubes are the treatment of choice for young children who suffer persistent, recurrent ear infections and who have gone through three or four kinds of antibiotics.

18.   Fluorescent tubes are more economical to use than incandescent bulbs, but their cold blue light can make them undesirable for many applications.

19.   For example, a light frequently blinks on and off may be an indication the tube is near the end of its life.

20.   Her feeding tube is not extraordinary life support, not a futile gesture to sustain a life already lost.