Assertion: shank | /r/CapableOf | shatter the sub-soil
Facets:
value: to a depth of 45–75 cm
type: OTHER
Source sentences:
text: Each shank is fitted with a replaceable point or foot, similar to a chisel plough, to break through the impervious layer, shattering the sub-soil to a depth of 45–75 cm (18–30 in).