Assertion: fine cassiterite | /r/HasProperty | irrecoverable
Facets:
value: by other means
type: MANNER
Source sentences:
text: Originally developed in Cornwall, England, to recover fine cassiterite, which was irrecoverable by other means (Burt and Otley, 1974), this device consists of a suspended assembly of 40 fiberglass decks arranged in two sandwiches of 20 (Figure 3.3).Each deck is 1.2 m wide by 1.5 m long, separated by a 13 mm space that defines the pulp channel.