That can be done by checking a prospective roommate's credit history, talking to references provided by the roommate and having a written agreement clarifying the obligations of each party.
Theoretical and experimental studies are in agreement, clarifying dynamic phenomena, lower experimental amplification ratios and measurement drawbacks.
But concern remains that "in extremis", the BBC Trust could in part or wholly pull the plug on funding, though the agreement now clarifies the circumstances for such a dramatic measure, which would be triggered if S4C failed to allocate its total licence-fee funding to providing agreed services.
The agreement also clarifies the murkiness of the ban on "direct abortions" -- a Catholic term, not a medical one, which includes, in some cases, even abortions that might threaten the life of the mother.
The Justice Department and Microsoft also agreed to some minor wording changes in the agreement to clarify the company's obligation to ensure that rival software functions properly on Microsoft's Windows operating system.
America's Mr Zoellick aims to portray the American concession as no more than an agreement to clarify existing rules, but that may not be how other WTO members see it or, more importantly, the American Congress.
"Every government can make its own decision about whether the way to achieve that goal is by joining before the articles of agreement are clarified or by waiting to see what the evidence looks like as the bank starts to operate".
Robert Zoellick, the chief American negotiator, aims to portray the American concession as no more than an agreement to clarify existing rules, but that may not be how other WTO members see it or, more importantly, the American Congress.Mr Zoellick has a tough battle on his hands to deliver what America has offered at Doha.
PayPal today announced it's updating its User Agreement to clarify the language it uses to communicate to customers how the company is allowed to contact them.
The two sides have been in dispute over funding and player release, and a new agreement would clarify the regions' budget for next season.
