Steel
Since it is a slave outfit, not armor, it would most likely pierce the metal, and Leia would most likely die.
metal armor
A metal detector would be the most useful tool for locating native metals. These devices can detect metal objects buried underground by sending out electromagnetic signals that are reflected back when they encounter metal. This can help locate ores, coins, artifacts, or other metal objects.
most medieval armor was made from iron, wood, copper, steel, and leather. the main metal armor was made from steel and iron. sometimes the shields were made of wood and coated with metal.
What the most useful machine is, is a matter of opinion. Some would argue that the wheel is the most useful machine, and others would argue that the lever is the most useful.
no. but uranium-239 is the most useful and it is very rare.
The word processing application would be most useful when writing a script or a letter. It would also be useful when writing a report. WRONG WRONG WRONG
A metal halide ballast works just by transforming the line voltage into much more useful voltage to the metal halide, and by regulating the current so that the bulb will have its useful life at the most.
A suit of armor made from metal plates protected the knight's body during battles. This armor was designed to cover most of the body and provide protection against weapons such as swords, arrows, and spears.
Weather data charts for the past month would be most useful.
Japanese armor tended to be lighter and allowed greater movement than most European armors. This was due to the attacking nature of Japanese warrior combat, where defense was emphasized less than making quick, decisive attacks. Japanese armor was constructed of metal plates tied together with silk cords, versus the European armors of metal links woven together on a padded leather base (and later armors with metal sheets and plates on top of this).
Their Squire or a number of servants most probably.