21.   But what to do when the supply runs out?

22.   Calves were pushed off pastures when the supply of grass ran out.

23.   By mid-month, supplies were often running out.

24.   Concerned that supplies may run even thinner in the months ahead, some users are racing to secure enough metal.

25.   Could supplies run out, and bottles of champagne be available only at outrageous prices, or through shady black market channels?

26.   Concerned that supplies may run even thinner in the months ahead, some users are racing to secure metal.

27.   Dakhkilgov and his family leave the neighborhood near the factory as rarely as possible, going only to the market when supplies of food run low.

28.   During the last big closure, the supplies ran out and his workers sat idle for a month.

29.   Even as current sub-freezing temperatures boost demand, the rise in inventories dashed speculation that supplies will run dangerously low this winter.

30.   Even as currently sub-freezing temperatures boost demand across the U.S., the rise in inventories has dashed speculation that supplies will run dangerously thin this winter.