Different levels (6)
I believe the answer is:
layers
(Other definitions for layers that I've seen before include "Those preparing" , "These hens produce eggs" , "bands" , "courses" , "Thicknesses of material - or hens?" .)
I believe the answer is:
layers
(Other definitions for layers that I've seen before include "Those preparing" , "These hens produce eggs" , "bands" , "courses" , "Thicknesses of material - or hens?" .)