Assertion: caulk's pcb | /r/ObjectUse | used in its formulation
Facets:
value: due to their respective beneficial properties
type: CAUSE
Source sentences:
text: Caulk products were designed to be weather proof, pliable, resistant to heat and water and to be durable, which is why both asbestos and PCBs were used in its formulation due to their respective beneficial properties.