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A preliminary script for the introductory video lists the following , for good and for ill , as part of the legacy from the classical world : language , literature , philosophy , jurisprudence , medicine , agriculture , science , math , music , engineering , mining , road making , ship building , painting , sculpture , coinage , mass war , class strife , slavery , blood sports , prostitution , and more . Products are sold to multiple industries , including chemical , power generation , commercial diving , ship building , process and petrochemical .