Their cartons can also be shipped flat,
unlike glass or plastic bottles.
Not exact matches
Unlike standard
glass or plastic lenses, which have fixed parameters, the optical properties of an electrically tunable lens can be dynamically controlled using an electric current.
Unlike plastic,
glass isn't a porous material so it won't leach into your mouth
or drinks ever!
Unlike glass, paper
or plastic, metal is in limited supply, putting extra importance on recycling.
However
unlike that line of phones, the X2 is fashioned entirely out of
plastic, not
glass or metal.