1. nkwakọba ihe na ngwa ngwa
N'ụlọ nkwakọba ihe dị elu akpaghị aka{{0}bay, stacker cranes nwere ike ịzọkwa ihe karịrị 70% nke oghere ala (isi iyi data: International Warehousing and Logistics Association mkpesa), na-eme ka ha dabara maka ọrụ inbound na mpụta dị elu dị ka e- azụmahịa na agbụ oyi. Dịka ọmụmaatụ, otu ụlọ ọrụ ngwa ngwa mebere kreenu stacker okpukpu abụọ{5}, na-abawanye njupụta nchekwa site na 40%.
2. Nrụpụta
A na-eji ha eme ihe na-akpaghị aka na ahịrị mmepụta, dị ka nchekwa na nkesa nke akụkụ n'ichepụta ụgbọ ala. Stacker cranes, mgbe ejikọtara ya na AGVs (Automated Guided Vehicles), na-eme ka arụ ọrụ na-enweghị isi na "ụlọ ọrụ gbara ọchịchịrị."
