refrigerator water line

Hello all. I am thinking about cutting a narrow channel into my concrete slab to run a refrigerator supply line from the sink to the spot where my icebox will be. The distance is about 6-7 feet. I am remodeling the basement and laying slate tile over the concrete so I imagine all that I would...

I'm in the process of remodeling my kitchen. My question is about a) the water line to the refrigerator, b) the gas line to the stove, and c) the gas shut off valve ... is there is some kind of faceplate for those items? I'd rather it look more professional than just a hole in the drywall.