Assertion: boomerang's surface | /r/HasProperty | combined with spinning motion
Facets:
Source sentences:
text: When Sir Thomas Mitchell was given the task of assessing the fighting capabilities of Aboriginal tribes during his many explorations, he wrote, in 1846, a detailed account of how a boomerang returns, describing it as the effect of air pressure on the two opposed surfaces (produced by the twist in the wood at the tips of the boomerang) combined with the spinning motion produced by the throw.
text: He wrote, in 1846, a detailed account of how a boomerang returns, describing it as the effect of air pressure il the two opposed surfaces (produced by the twist in the wood at the tips of the boomerang) combined with the spinning motion produced by the throw.