Cutlery mustard spoon and lettuce fork. Steel was always used for more utilitarian knives, and pewter was used for some cheaper items, especially spoons. From the nineteenth century, electroplated nickel silver (EPNS) was used as a cheaper substitute for sterling silver. In 1913, the British metallurgist Harry Brearley discovered stainless steel by chance and this metal has come to be the predominant one used in cutlery. An alternative is melchior, corrosion-resistant nickel and copper alloy, which can also sometimes contain manganese and nickel-iron. Plastic cutlery is made for disposable use, and is frequently used outdoors for camping, excursions, and barbecues for
Cutlery instance. Plastic cutlery is also commonly used at fast-food or take-away outlets and provided with airline meals in economy class. Plastic is also used for children's cutlery. It is often thicker and more durable than disposable plastic cutlery. Wooden disposable cutlery is also available as a biodegradable alternative. Cutlery has been made in many places. In Britain, the industry became concentrated by the late 16th century in and around Birmingham and Sheffield. However, the Birmingham industry increasingly concentrated on swords, made by "long cutlers", and on other edged tools, whereas the Sheffield industry concentrated on knives. At Sheffield the trade