The phrase 'is held flat' is correct and usable in written English.
You can use this phrase to describe an object that is being held in a flat position. For example, "The board is held flat against the wall while the nails are being hammered in."
Willis (1985) noted that in aggressive displays in Panama, the crest is held flat; however, east of the Andes, he observed that the crest is raised in aggressive displays.
He has found a hefty £700m in annual savings by 2016/17 to ensure that the licence fee is held flat, but he has done it such a way that there will be little impact on viewers.
He has found a hefty £700m in annual savings by 2016/17 to ensure that the licence fee is held flat, but he has done it in such a way that there will be little impact on viewers.
Then the pan is held flat and shaken under water to permit the valuable mineral to settle to the bottom, and, in a series of quick motions, the pan is tilted and raised repeatedly until the lighter top material is washed off and only the valuable heavy mineral is left.
In this tester fabric specimen is held flat by top and lower sensors at a certain pressure.
Small sharpeners come in three types: hand-held ones that are drawn across a blade; sharpeners that are held flat against a counter while the knife is drawn through sharpening blades or wheels; and stationary ones that can be attached to counters or cabinets.
While the performance of a number of big hedge funds has been held flat this year by choppy markets, Paulson & Company began experiencing big losses early on.
If it were held flat for the next three years, that $47 billion cumulative deficit would drop down to something more like $11 billion, all else being equal.
Predictably, the big losers in Mr. Bush's budget are domestic-spending programs — including medical research, environmental protection and education — which will either be held flat or cut.
At 15, he got his first steel guitar, a Sears Silvertone that was held flat on the lap, unlike the table-style steel guitars he would later play.
Over the life of this parliament, the BBC's £3.6 billion ($5.8 billion) budget has been held flat, even as its commitments have multiplied, the coalition government having transferred responsibility for the World Service from the Foreign Office to it.
