1. Hydraulic electric excavator nwere uru pụrụ iche nke mgbapụta efu, obere mkpọtụ, obere ọrụ & ụgwọ mmezi. 2. ọ na-onwem na ụwa ama ika hydraulic components. 3. Hydraulic excavator nwere ike kwadebere na dual ike ma site diesel engine na electormotor, ọ na-ekere òkè eletrọnịkị excavator pụrụ iche uru na dizel excavator si mobile mma.