a floor liner includes a layer of coated kraft paper and a layer of nonwoven fabric , the layers being adhesively bonded together . cut - outs are formed in the liner . the liner occupies the space beneath a piece of kitchen equipment , and absorbs spills and grease from such equipment . the liner can be removed and replaced , without disturbing the kitchen equipment . a plurality of metal tracks may be laid on top of the liner , to facilitate movement of the kitchen equipment onto , or away from , the liner .