11.   Before a tank is filled with sand, gravel or foam, it must be checked for leaks.

12.   Big oil wholesalers are holding off filling their tanks until supply increases and prices drop.

13.   A volunteer agency that delivers meals to shut-ins in Milwaukee cannot pay its drivers enough to fill their tanks.

14.   All day Friday, motorhomes were lined up at a series of spigots to fill their tanks before the pumps were turned off.

15.   But again, the attendants insisted that they had filled the tank.

16.   But if we used our garbage can to fill the tank with water, we could get it to flush.

17.   But many fans just filled their tanks at pre-show tailgate parties.

18.   But when the tanks are being filled, the overflow rushes onto the deck with the force of a fire hydrant.

19.   Clouds of gas vapor crept through the laboratory hall at the new Stowers Institute for Medical Research on Monday morning as Heather Marshall filled a tank with liquid nitrogen.

20.   Do not fill the tank at this time, because you may not need to operate the blower immediately.