Assertion: school's building | /r/HasProperty | constructed including prefabricated boulton
Facets:
value: during the 1950s
type: TEMPORAL
Source sentences:
text: These buildings are constructed from a range of standard materials and structural methods employed by the Department of Public Works (DPW) during the 1950s, including: prefabricated Boulton & Paul (B&P) timber units (blocks A and B); timber trusses (blocks A and C); and steel open-web trusses (blocks D and E).