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Stone - Or Rock is a naturally occuring mineral categorised into three types, Igneous, Sedimentary and Metamorphic

robust - An physical or metaphorical object which is well built or hard to destroy

Set - a group of items usually related to one another. Some objects cannot function without the complete set of items.

Size - is the measurement of how big an object is in space.

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.