Stainless steel

Near-synonym: CRES (broadly synonymous)

Equally I can stand in a station like Lucerne in Switzerland, and watch with ill-concealed admiration the majestic entry of one of the latest Gotthard "Ae 6/6" electrics, packing 6,000 horsepower within its 60 ft. of length and 121 tons of weight, with its sleek dark green sides and handsome stainless steel bands and front wings.

Lead is used as part of the tumbler’s vacuum insulation and is covered by a stainless steel layer that protects consumers from lead exposure, according to the Stanley cup manufacturer, Pacific Market International.