Assertion: roselle's fibre | /r/HasProperty | extracted
Facets:
Source sentences:
text: Fibre preparation of roselle fibre; a) roselle plant; b) stems were cut and immersed in water during the water retting process; c) after 14 days, the fibre was ready to be extracted; d) fibre extraction; e) roselle fibres were dried under sunlight; f) alkalisation of roselle fibres; g) silane treatment; h) fibres ready to grind; i) roselle fibres in particle form (100 to 425 µm)