<P> That relationship is controversial, as many believe that the heritage industry corrupts the meaning and importance of cultural objects . Often, scholars in the humanities take a critical view of the heritage industry, particularly heritage tourism, believing it to be a vulgar oversimplification and corruption of historic fact and importance . Others believe that the relationship and the financial stability it brings is often the element that allows curators, researchers, and directors to conserve material culture's legacy . </P> <P> Some observers advocate intentionally altering the material cultures created by current civilizations . For example, waste reduction advocates within environmentalism advocate teaching design approaches, such as cradle - to - cradle design and appropriate technology . Anti-consumerism advocates encourage consuming less (thus creating fewer artifacts), engaging in more do - it - yourself projects and self - sufficiency (changing the quality of artifacts produced), and localism impacts the geographic distribution and uniformity of artifacts . </P>

Which of the following are examples of material culture