Last year, U.S. lawmakers succeeded in pressuring Belgium-based SWIFT electronic payment system to block Iranian transactions.
"The data speaks to the need for us to continue to help eBay build filters into their system and block specifically recalled products, " he says.
If a card belonging to a Berliner has never been used to purchase a plane ticket or buy goods outside Germany, the system may block an attempt to book a Moscow-Tokyo flight leaving in three hours.
As a result, malicious programs despoil these virtual environments so system administrators can block or quarantine them without endangering the corporate network.
The so-called manual-block system takes the place of a dozen separate signals that help drivers adjust their speed and avoid colliding with other trains in the dark tunnels.
Do you agree or disagree with converting the Medicaid program from the current system in which states and the federal government share oversight and funding responsibilities to a system of federal block grants to state governments, who would then decide how to allocate the grant funds to Medicaid recipients?
Gilenya works by a totally new mechanism to block some immune system t-cells from escaping from the lymph nodes.
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These people add that some media companies don't always use the system properly and forget to block some illegal content.
It would convert Medicaid into a block-grant system, in a fashion similar to that of the spectacularly successful 1996 welfare reform law, giving states the flexibility to fashion programs that fit the needs of their residents.
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The House has called for a block-grant system that would allow states to use their federal education dollars as they see fit, as long as they sign pledges guaranteeing that state test scores will demonstrate a steady curve upward.
Gun-control advocates have helped highlight these flaws, but some also worry that focus on the system's holes will be used as an excuse to block legislation requiring universal use of the background check system.
WSJ: Systemic Gaps Hinder Background Checks for Gun Purchases
Under the old system, hospitals were paid a block budget, so every patient represented a cost.
Mr Putin knows that America's proposed anti-missile system would be too small to block Russia's still powerful missile armoury.
Fair Isaac, a large fraud-detection firm based in Minneapolis, operates a system so fast that it can block dialled calls before they are even connected.
To block the Front, the system for electing regional councils should, he said, be changed.
America suggests sharing information about outside threats but rejects any demand for detailed limitations on the missiles' use, arguing that these might be used to block the missile-defence system's development.
These gave the opposition a clear majority in the upper house one that they used on March 14th to block changes to the tax system which the government wanted to push through.
Pipeline, a stock and options institutional trading venue, has launched a system that will help match investors with a block trade.
Singing Lego Blocks: The Lego Mindstorms RCX block (the brain of the system) has a built in speaker, and this page explains in eye-watering detail how to make music with it.
Institutions will be able to put large block-trade orders into the system safe in the knowledge that no information about their intentions will leak into the market before the order has been executed.
But British Eurosceptics are already complaining about a reduction in Britain's ability to block legislation under the proposed new system, and the kind of amendment that Poland is suggesting would make that problem worse.
Judge JOHNSON: And that became just a true stumbling block to an efficient operation of a system.
His win is seen as a major obstacle to President Obama's health care bill, since it increases the GOP's Senate numbers to 41, just enough in the 100-person Senate to block votes on a health-care system overhaul.
The simplest way for the federal government to restrain Medicaid would be to end the current system of matching state spending and replace this with block grants, which would give the states an incentive to focus on cost-control.
Inside the city there were new large apartment block, shopping malls and a renovated tram system filled with riders.
"When I run it backwards at full power, " says Kempton, "I'm running my whole block, " or he would be if the system were up and operating.
In the mid-1990s Vertex chemists crafted compounds that block a key kinase protein that unleashes toxic immune-system molecules in arthritic joints.
Some may also question whether the payment system is still, in today's world, a major block to new entry in banking.
To block spam, large ISPs and corporations use a multitiered system of filters, lists of known spammer addresses and sometimes even staff who can recognize incoming spam and thwart it manually.
To block spam, large ISPs and corporations use a multitiered system of filters and lists of known spammer addresses and sometimes even staff who can recognize incoming spam and manually thwart it.
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