Sentence examples for problematical substances from inspiring English sources

In times of increasing environmental and industrial standards for technologies and innovation toward safer substances closely connected to subsequent legal surveillance in most European Union (EU) countries, it may strike us as strange to communicate that we are confronted with a group of "new" problematical substances in the environment.

Other aspects of the plan are less problematical but by no means sure things.

It may prove to be problematical.

Then there was that problematical list.

First, setting a benchmark often proves problematical.

But then came the evening's two problematical premieres.

Business heroes in the movies are rare, and often problematical.

Why revisit a problematical show like "St. Louis Woman"?

Jerome Robbins's "I'm Old Fashioned" is more problematical.

The new building inevitably incorporates modernism's problematical nature.

She acknowledged, however, it was "a very problematical situation".