However, it can be tricky to make PHP work in complicated information technology (IT) environments.
At these opening prices I would say it could be tricky to initiate new longs.
The new ones can spin up to three times faster but will be tricky to operate.
Posthumous albums can be tricky to assemble, but this one adds merit to Alex Soria's musicianship and memory.
Relapsing-remitting multiple sclerosis can be tricky to manage because it affects everyone differently.
Where professional boundaries lie these days can be tricky to define.
It will also be tricky to find builders who can work well at such altitudes (few people can do hard manual labour where the air is so thin).
Although recent opinion polls show 45% of Turks supporting Mr Erdogan's Kurdish overture, a deal that followed overt bargaining with the PKK would be tricky to sell at home.
But Whistler makes for a long, expensive and potentially stressful daytrip, especially on dark winter evenings when the winding Sea-to-Sky Highway can be tricky to negotiate in a car.
But it struggled to agree on a valuation of Prodeco with Xstrata, and would presumably face the same problem with its other assets meaning a merger would be tricky to negotiate.
And cyclical stocks can be tricky to own.
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Those who package loans together for securitisation will have to beef up disclosure and retain 5% of any deal they structure to encourage sounder underwriting though the ban on hedging that exposure could be tricky to enforce.
True, it would be more difficult to create a balanced game, and it would be especially tricky to figure out how to do loot, but it could still be pretty amazing.
But the claim that the richest are paying more will also be rather tricky to prove.
Compliance will be tricky due to the extensive loopholes and fraud that plague the tracking of U.S. slaughter horses.
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Quite how big this might be is tricky to estimate, as banks use different approaches to assign value to their hedges.
We want to be friends with people in the office (think The Office), a relationship that might be too tricky to navigate at first.
The founding EU Treaty prevents eurozone member states from taking on each other's debts - meaning that even if the will for a bailout was unanimous, it would be legally tricky to accomplish.
While it might be initially tricky to monetize such events, stores could partner with other organizations to help sponsor events, and it would potentially increase sales, brand appeal, and give even the largest chains a feeling of local community.
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That said, the part of Madoff victim can be a tricky one to play.
Pathway claims its kit is exempt from FDA approval, but that might be a tricky argument to prove.
Music recordings made a century ago can be just as tricky to interpret.
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As ever, striking the balance between the interests of business and the consumer will be a tricky one to achieve.
Announcing a desire to split up and subsequently dissolving a business partnership can be tricky, as emotions tend to run high.
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An alternative way for companies with less than stellar ratings to get through tricky periods used to be to set up special entities that would buy receivables from the parent company, using money that was raised cheaply from the capital markets.
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Mr Gallois may also be obliged to find someone to fill another tricky job at Airbus.
It will be tricky engineering T cells to survive inside the body long enough to destroy the cancer.
It would be diplomatically tricky for America to veto yet another German candidate.
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