A ladder; used for climbing up or down; suggests progress, steps, or reaching higher.

A door; represents entry, exit, or opportunity—literally or metaphorically.

A chair; represents sitting down, a seat, or taking a rest.

Represents an industrial worker, handy for factory life, assembly lines, maintenance rounds, or shift updates.

A toilet; used for bathroom needs; sometimes used humorously or to imply flushing something away.