Fortis obstruents, such as /p tʃ s/ are pronounced with more muscular tension and breath force than lenis consonants, such as /b dʒ z/, and are always voiceless.
As obstruíntes fortes, como /p tʃ s/ pronúncianse con máis tensión muscular e forza do alento que as febles, como /b dʒ z/, e son sempre xordas.