One factor is various possible levels of future carbon dioxide emissions.
And public school choice and competition are essential if we want to push our schools to the highest possible levels of excellent in education.
Our plans are both sensitive to the local environment and provide the highest possible levels of safety".
To prepare the proposal, the Department of Energy assessed six possible levels of efficiency, ranging from the highest, known in bureaucratese as Trial Standard Level 6, to the lowest, Trial Standard Level 1.
It added: "We aim to provide all of our customers with the highest possible levels of customer service … easyJet's customer charter includes the promise to be 'open and honest and putting ourselves in our customers' shoes'.
The report called for more research but effectively ruled out leukaemia as a battlefield hazard: the risk of this was about five in a million for all possible levels of exposure to radiation.
In a statement, the CAA said: "All aviation safety requirements are regularly reviewed to ensure they provide the highest possible levels of protection.
They must, of course, take into account as precisely as possible levels of entropy and redundancy as well as other known variables.
Those cases have advanced further than some others, he said, and represent a range of issues and possible levels of damage.
The size of most launch vehicles precludes environmental testing at the fully assembled level; rather they are given such testing at the highest possible levels of subassembly.
Eleven NGOs have written to the bank's president, Werner Hoyer, to demand the release of the report, to express grave concerns over "the secrecy surrounding the bank's investigation", and to ask how the delay in releasing the report sits with the EIB's commitment to "the highest possible levels of transparency in all its activities".
