Assertion: domesticated yak | /r/ObjectUse | used for approximately 4,500 years
Facets:
Source sentences:
text: For approximately 4,500 years they’ve been used for their fiber, meat, milk, hides, muscle power and dung (the latter is used for fuel, fertilizer and as a building material).
text: For approximately 4,500 years they’ve been used for their fiber, meat, milk, hides, muscle power and dung (the latter is used for fuel, fertilizer and as a building material).