Assertion: shaded safety glass | /r/HasAspect | tint densities
Facets:
Source sentences:
text: Shaded safety glasses for use when working with molten metal and in soldering, brazing, cutting and welding operations have tint densities that can range from 1.5 to 3.0 (mild to moderate shade for torch soldering) up to 10 to 14 (very dark shades for electric arc welding).