Assertion: crampon | /r/ObjectUse | used on hard surfaces
Facets:
value: for short distances
type: PURPOSE
Source sentences:
text: When the user is careful and slow, crampons can be even used on hard surfaces for short distances (all you feel is the pressure).
text: First of it’s obvious that aluminium is softer then steel, meaning that these crampons will dull faster when used on hard surfaces, accelerating wear if used on anything but snow, neve and short sections of rock and ice.