The hydraulic auto-climbing formwork usoro (ACS) bụ mgbidi na-ejikọta onwe ya na-arị elu, nke na-akwado ya site na usoro ibuli elu hydraulic nke ya. Usoro nhazi (ACS) na-agụnye cylinder hydraulic, onye na-ebugharị elu na nke dị ala, nke nwere ike gbanwee ike ibuli elu na isi ihe nkwado ma ọ bụ ụgbọ okporo ígwè ịrị elu.