_:b16224 . _:b16222 . _:b16223 . _:b16222 . _:b16223 . "Guidelines for Soil Description issued by the FAO: table 20,2"@en . _:b16223 . _:b16224 . _:b16222 . . _:b16222 . _:b16224 . . _:b16224 . "SealingConsistence"@en . _:b16223 .