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Courts could also be used . Obviously , such evidence could also be used to exonerate a defendant . It could also be used in an adult educational setting to provide information on this issue . If so , then I would argue strongly for introducing operator overloading and lightweight classes - - I 'm pretty sure such facilities would also get used for other purposes . Strap-on boosters can also be used for both rockets and ballistic missiles . Funds can be used not only for alternatives to institutional care services , such as home health care ; they can also be used for home modification costs , respite services to augment informal or unpaid caregivers , personal care and assistive devices . The method could also be used in sensors . The EM fonts can , of course , also be used with printer drivers like DVIPS by setting up the appropriate remapping in " psfonts.map " European Modern fonts have other advantages over Computer Modern , such as support for " hanging hyphens , " and proper subscript positioning with respect to upright upper case Greek letters ( not possible in CM because CM draws these character from a text font , not a math font ) . Mice carrying a human immune system will also be used for testing vaccines against HIV , the AIDS virus . His magnetic technology , he reasoned , could also be used to measure acoustic vibrations to locate buried mines , the proliferation of which was emerging in the international consciousness . Carrying anything that can be used as an " offensive " weapon is prohibited , and since anything that could be used as a defensive weapon , even a hatpin , could also be used offensively , the carrying or use of defensive weapons is effectively prohibited also . In addition , this imaging strategy could also be used to evaluate chemopreventative agents as well as the efficacy of sunscreens . The <lem> element may also be used , under some circumstances , to record the base text of the source edition , to mark the readings of a base witness , to indicate the preference of an editor or encoder for a particular reading , or to make clear , in cases of ambiguity , precisely which portion of the main text the variation applies to . Medical tattooing can also be used to darken white skin patches ( vitiligo ) and scarred skin .