The machining characteristics of the copper are significantly improved by alloying it with approximately half per cent of tellurium while the electrical and thermal conductivity are only slightly reduced. Copper sheets can also be hammered tooled or embossed for added texture and decorative or functional appeal and come in many thicknesses from very thin copper foil to thick copper plate. Extruded and drawn c14500 or tellurium copper has similar mechanical properties to unalloyed pure copper but with a higher machinability. 
				
			
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