Prevents shortages of nutrients by storing certain vitamins, minerals and sugar.

The rationale here is that firms may wish to preserve customer goodwill by preventing shortages.

This move had been encouraged by the Moscow City Council as a way to prevent widespread shortages.

In any case, conservationists say officials in drought-prone states are doing too little to prevent shortages.

Earlier this year, to prevent hoarding and shortages, many of China's largest cities instituted a rationing system for pork, the main meat consumed by Chinese.

Economists know that speculators prevent shortages, and we don't see why the government should regulate ticket sales.

Vendors in other sections of the market unaffected by the fire said their companies would obtain sufficient supplies to prevent shortages and price gouging.

Many water companies have started conservation programs and are expanding the capacity of their systems to prevent shortages.

Some large health-care organizations said they had sufficient stockpiles to prevent shortages, but some neighborhood pharmacies reported turning away regular customers.

The city often places restrictions on water use in the summertime in order to prevent shortages.