Concept set STEP

A flat surface or support that facilitates the ascent or descent of a stairway or step-ladder.

Related concept sets

STEPlinkedSTAIRS
STEPlinkedFOOT OR LEG
STEPlinkedLADDER OR STAIRS
FOOT OR LEGlinkedSTEP
FOOT OR LEGlinkedSTEP
LADDER OR STAIRSlinkedSTEP
Id Concept in source Conceptlist