Assertion: wheelchair's frame | /r/MadeOf | lighter materials
Facets:
Source sentences:
text: – frames made of lighter materials (e.g., aluminum, titanium, or chrome); easier to propel and transport heavy duty – for individuals who weigh more than 250 pounds or who have severe spasticity extra heavy duty – for individuals who weigh more than 300 pounds reclining – backrest reclines independently of the rest of the seating system tilt-in-space – wheelchair frame can tilt greater than or equal to 45 degrees from horizontal while maintaining the same back to seat angle