Assertion: cleaver's weight | /r/CapableOf | come down in the case of sculls
Facets:
value: from over 7 kg
type: OTHER
Source sentences:
text: Since the use of such synthetic materials, first mass-produced by Dreissigacker in 1975, the weight of an oar has come down from over 7 kg to less than 2.5 kg and 1.275-1.8 kg in the case of sculls.