Assertion: sodium hydroxide's use | /r/MadeOf | karwi
Facets:
value: in assam
type: LOCATION
value: in boro
type: LOCATION
Source sentences:
text: In Assam, north east India, extensive use is made of a type of lye called khar in Assamese and karwi in Boro which is obtained by filtering the ashes of various banana stems, roots and skin in their cooking and also for curing, as medicine and as a substitute for soap.