mass

http://www.wikidata.org/prop/direct/P2067

Used as a Predicate in:

Schema Name	Schema Link
virtual reality headset	https://www.wikidata.org/wiki/EntitySchema:E111
space probe	https://www.wikidata.org/wiki/EntitySchema:E119
computer model	https://www.wikidata.org/wiki/EntitySchema:E158
rower	https://www.wikidata.org/wiki/EntitySchema:E21

Used as an Object in:

Schema Name	Schema Link
space probe	https://www.wikidata.org/wiki/EntitySchema:E119
computer model	https://www.wikidata.org/wiki/EntitySchema:E158
rower	https://www.wikidata.org/wiki/EntitySchema:E21