5 S standards: it is a rigorous Japanese method of housekeeping. It maintains a clean and safe working environment.
Seiri: Clear out, decide what not to be used in the future months, years and throw it.
Seiton: Put in order, choose a location to put the item near where it is used the most.
Seiso: Clean and check, perform a deep cleaning (correct disorder, eliminate leaks), create a list and storage place for cleaning materials), train people concerned.
Seiketsu: Standardize, use visualisations, image, colours, develop a cleaning and maintenance schedule, mark cleaning levels, train concerned people, and display standards.
Shitsuke: Self-discipline. respect standards, do audits on a regular basis.