id	keyword
easat-9034	waste
easat-9034	plastic
easat-9034	energy
easat-9034	vol
easat-9034	content
easat-9034	potential
easat-9034	calorific
easat-9034	value
easat-9034	study
easat-9034	water
easat-9034	matter
easat-9034	analysis