layer data layer defines layer depletion layer deposited layer deposition layer does layer does not layer ensures layer exhibits layer extends layer fabric layer film layer formed layer forming layer forms layer generally layer group layer had layer has layer has a thickness layer have layer height layer includes layer including layer increases layer information layer is a layer layer is called layer is composed layer is comprised layer is covered layer is formed layer is known layer is made layer is more layer is responsible layer is shown layer is typically layer is used layer laminate layer made layer makes layer mask layer material layer materials layer may layer model layer must layer number layer obtained layer of adhesive layer of air layer of aluminium layer of aluminum layer of ash layer of carbon layer of cells layer of coating layer of complexity layer of copper layer of cream layer of dust layer of fabric layer of fat layer of fibers layer of film layer of foam layer of frost layer of glass layer of glue layer of gold layer of high layer of ice layer of insulating layer of insulation layer of liquid layer of material layer of metal layer of nickel layer of oil layer of oxide layer of paint layer of paper layer of plastic layer of polymer layer of protection layer of resin layer of rock layer of sand layer of security layer of silica layer of silicon layer of silicon oxide layer of silicone layer of silver layer of skin layer of snow layer of soil layer of the atmosphere