Assertion: biomass boiler | /r/HasProperty | built by mårten trievald
Facets:
value: in 1728
type: TEMPORAL
value: most probably
type: DEGREE
Source sentences:
text: The first industrial biomass boiler was most probably built by Mårten Trievald in 1728 (Ångteknik, 1945), Fig. 1.3.