They may be forged out of alloyed or unalloyed tool steel. The most suitable materials for magnet wire applications are unalloyed pure metals, particularly copper. Even Xenophon's encomium of the Constitution of the Lacedaemonians is not unalloyed praise. In its unalloyed condition, titanium is as strong as some steels, but less dense. Yet McGregor is also an actor capable of expressing unalloyed delight. Unalloyed zinc is too brittle for these manufacturing processes. The unalloyed elemental form is used mainly in electrical applications. As a phosphonate it has corrosion inhibiting properties on unalloyed steel. Initially, the tubes were made of unalloyed copper. The amulet was made from unalloyed copper, an unusual innovation that was later abandoned. A 1985 review in the "New York Times" described his playing as "unalloyed pleasure".