Assertion: electric toothbrush's pressure sensor | /r/CapableOf | illuminate red
Facets:
Source sentences:
text: Brushing too hard is a big contributor to wearing away the gums, but when using the Pro 3000 you can avoid this, because if excessive pressure is detected, the pressure sensor will illuminate Red and the motor will slow down until such time as the pressure is relieved, putting your tooth health first.