Assertion: mature bamboo | /r/HasProperty | above 5 years
Facets:
value: to ensure the inital quality control
type: PURPOSE
value: for raw materials
type: CAUSE
Source sentences:
text: We only use the mature bamboo which is above 5 years for raw materials, to ensure the inital quality control through materials, which is a very important step for the finished quality, as it will refer to the strength, tenacity, rigidity, and tractability of the final bamboo flooring quality datas.