Question $1$

Identifying non$-$value items and removing them corresponds to which of the $5S$ below?

Sort$/$segregate $($Seiri$)$

Simplify$/$straighten $($Seiton$)$

Shine$/$sweep $($Seiso$)$

Standardize $($Seiketsu$)$

Sustain$/$self$-$discipline $($Shitsuke$)$