Sentence examples for principal problems is from inspiring English sources

One of the principal problems is connected with the recognition of work pieces and detection of their positions.

For Dmowski, one of Poland's principal problems was that not enough Polish-speaking Catholics were middle-class, while too many ethnic Germans and Jews were.

"The principal problem is our schools.

The principal problem is those working parents simply do not earn enough to escape poverty.

The principal problem is that almost all oceanic crust older than about 200 million years has been obliterated by subduction.

The principal problem is that it doesn't have the bandwidth to process a lot of current high-quality downlink material from surveillance aircraft.

The principal problem is TCA, or 2,4,6-trichloro anisole, a moldy-smelling compound caused by the action of chlorine on cork bark in a cleaning process.

"Pemex's principal problem is corruption, and that is not something that was brought even up in the government's diagnostic report," Mr. López Obrador said in the interview.

Far from "a noble act to impose discipline on American schools", the No Child Left Behind Act has in fact transformed American education from a place where broad learning has been replaced with a very narrowly focused "teach to the test" mentality.There are a number of other flaws with the No Child Left Behind Act, but the principal problem is that is assumes educators are not doing all they can.

The principal problem is that it is too broad in scope.

The principal problem is that it negatively affects the long-term survival of the SEP.