Sentence examples for more problematic fuels from inspiring English sources

The brittle ash particles produced by Biosolid A emphasizes this mass transport from bed to cyclone ash while very little Ca and Mg is found in cyclone ash or later in the system for Biosolid B. This abundance of calcium in particular that may increase the overall melting temperature of bed ash is of great importance when considering co-combustion of biosolids with more problematic fuels.

"This is more problematic".

That is more problematic.

College years are more problematic.

That's much more problematic.

More problematic is Alice herself.

Private equity is more problematic.

Algeria is altogether more problematic.

The Jupiter proves more problematic.

They make life more interesting, more problematic.

Activist research was more problematic.