Usoro cranes RELONG Knuckle na-enye ahịrị ngwaahịa dị iche iche maka ngwa na ụgbọ mmiri okomoko, Oceanographic, ụgbọ mmiri ọrụ, Oilfield, Coast Guard ma ọ bụ ụlọ ọrụ ndị agha. Enwere ike ịhazi cranes ndị a maka ojiji na gburugburu ọrụ na-achọsi ike.
All nke cranes na Telescopic Boom akara na-enye ọtụtụ isi atụmatụ na-eme ka ha dị ike ngwọta maka mmiri ọrụ gburugburu ebe obibi. Ihe kacha ama ama n'ime njirimara ndị a gụnyere: Ọganihu agbatịkwuru site na iji dexterity maka njikwa ihe ziri ezi, nchekwa na nke ọma.
Site na arụmọrụ nke ma telescopic Boom na knuckle Boom crane, telescopic knuckle Boom crane nwere ike ime ya niile. Nhazi nke Knuckle Boom na-enye ohere ịnweta oghere siri ike ma na-echekwa oghere oche, na Telescopic Boom na-enye ohere ọzọ, na-enye gị ohere na-enweghị atụ. Rute ibu gị n'ụzọ dị mfe, ezigbo ngwọta maka ọtụtụ ngwa ngwa.