But nothing that has been tried in efforts to replace laces -- not Velcro, not zippers -- has been simpler.
Kamal Hamdan, a Lebanese economist who has worked extensively in Syria, said both sides were engaged in efforts to replace the peacetime economy with wartime alternatives.
Federal agencies are currently involved in efforts to replace systems of both types that are approaching the end of their estimated life spans.
Ms. Dasch said the United States had not gotten very far in efforts to replace the shuttles, which have been flying for 20 years.
In efforts to replace petroleum in vehicles, the report's authors argue that there will be few widely-available options until 2020.
When attempting to recover virtual network resources, the model analyzes all possible virtual router replacements in an effort to replace affected virtual routers in a way that ensures the virtual network will not be disconnected by any post-disaster failures.
The government has announced stimulus measures of about 71 billion euros this year in an effort to replace jobs lost in construction and help businesses get credit.
On both counts, an excuse for doing nothing was the concern that political opposition would have jeopardised the whole bill.Still, the document covers a lot of ground in its effort to replace the PVC in the financial plumbing with copper pipe, as one official put it.
This year, though, months before the general election decides the Legislature's makeup, Mr. Hughes has become a Tea Party favorite in his effort to replace the incumbent speaker, Joe Straus, and usher in an even more conservative agenda.
Almost all of them trace their heritage to the post-Prohibition era, in which states rushed to regulate their alcohol markets in an effort to replace the federal government's authority over booze.
Nielsen Media Research, the VNU unit that dominates television ratings in the United States, has battled public relations and legal challenges in its effort to replace its diary system with personal electronic "people meters".
