Assertion: soil's material | /r/CapableOf | say 24/ 3
Facets:
value: about r
type: OTHER
Source sentences:
text: If we take 'insulation' to be a bit more specific, say the most commonly-used material, fiberglass, that's about R3 /inch for fiberglass, or if we believed the soil R-value rule of thumb about dirt, that's about 24/ 3 = about R 0.8 for arbitrary "dirt" insulation value.