$31.$ In the future, it may be possible to construct environments in space, capable of supporting significant numbers of inhabitants in conditions that resemble those on Earth New manufacturing technologies are being studied which will enable work to be done in space using a combination of heat and kinect energy. It has been shown that steel casting and welding is possible, by heating the metal using a combination of sunlight and electrical energy. Solar power provides manufacturers with a readily available natural power resource and energy can be intensified for use in manufacturing with the utilization of an arrangement of maneuverable mirrors. Theoretically, space manufacturing could require only a very small amount of material being brought from Earth.

$-[$x$]$ true

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