<http://webisa.webdatacommons.org/428317770> <http://www.w3.org/ns/prov#wasQuotedFrom> <globalspec.com> . <http://webisa.webdatacommons.org/428317770> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/428317770> <http://www.w3.org/ns/prov#value> "8.2 Fluidized-Bed Combustion Systems In a typical FBC system, the fuel (or fuels), an inert material such as sand or ash (referred to as bed material), and limestone (when added for sulfur control)..." . <http://webisa.webdatacommons.org/prov/454891416> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/428317770> .