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<Ul> <Li> Knowledge <Ul> <Li> Engineering </Li> <Li> Procedure ( term ) </Li> <Li> Process </Li> <Li> Science </Li> <Li> Skill </Li> </Ul> </Li> <Li> Tools <Ul> <Li> Utensil </Li> <Li> Equipment </Li> <Li> Invention </Li> <Li> Machinery </Li> </Ul> </Li> <Li> Structures ( buildings , roads , bridges , canals , dams , etc . ) <Ul> <Li> Man - made systems ( see system ) </Li> </Ul> </Li> <Li> Infrastructure <Ul> <Li> Public utility </Li> </Ul> </Li> </Ul>
what are the two components of ​ technology ​
what are the two components of ​ technology ​
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