This does seem an like obvious question, and one which most companies can answer as machine tools are large capital assets. But let's look at the reality...
Werma Signaltechnik has an established industry standard with its range of modular signal towers for process optimisation in general industry and logistics.
Werma’s system fits to existing FIFO flow racking, solves typical Kanban issues, increases the floor space for value adding activities and increases cash flow.
Over the years Werma often had comments that it would be simple & convenient to order one of its modular signal towers assemblies with just one part number.
The signal device and smart systems manufacturer has received an award for the “100 locations for Industry 4.0 in Baden-Württemberg”, South Germany project.