id	keyword
eajbcs-779	waste
eajbcs-779	healthcare
eajbcs-779	management
eajbcs-779	hospital
eajbcs-779	study
eajbcs-779	solid
eajbcs-779	generation
eajbcs-779	total
eajbcs-779	hcw
eajbcs-779	ethiopia
eajbcs-779	sci