ungrindable

some types of coffee beans are ungrindable with conventional machines.

the ceramic material proved ungrindable despite using industrial equipment.

certain spices remain ungrindable without proper tools.

the hard metal was completely ungrindable by the workshop's machinery.

these ungrindable nuts require special processing techniques.

the gemstone was ungrindable with standard lapidary equipment.

extremely hard plastics can be ungrindable in recycling facilities.

the pharmaceutical compound is ungrindable without specialized equipment.

some rock samples prove ungrindable for laboratory analysis.

ancient seeds are often ungrindable due to their extreme hardness.

the material's composition made it ungrindable using conventional methods.

titanium alloys are notoriously ungrindable in manufacturing processes.