The invention obtains its demand for consumables according to ongoing operations or planned operations, and takes measures before consumables are exhausted to avoid complete exhaustion of consumables without intervention or monitoring by personnel or other machines. In some cases, the invention can give an alert before planned work starts, and in other cases, it can give an alert during ongoing work. By adopting the scheme of the method and/or device of the invention, continuous personnel monitoring is not required, and operations can be performed during regular personnel duty hours, while working uninterruptedly during non-monitoring hours, thereby maximizing efficiency and reducing overhead and damage of human resources and other tools or machines.
Area Code: CN
Application Number: CN201810304802.X
