<Table> Mechanical engineering <Tr> <Th_colspan="2"> Occupation </Th> </Tr> <Tr> <Th> Names </Th> <Td> Mechanical engineer </Td> </Tr> <Tr> <Th> Activity sectors </Th> <Td> applied mechanics, dynamics, thermodynamics, fluid mechanics, heat transfer, production technology </Td> </Tr> <Tr> <Th_colspan="2"> Description </Th> </Tr> <Tr> <Th> Competencies </Th> <Td> technical knowledge, management skills, design (see also glossary of mechanical engineering) </Td> </Tr> <Tr> <Th> Education required </Th> <Td> See professional requirements below </Td> </Tr> <Tr> <Th> Fields of employment </Th> <Td> technology, science, exploration, military </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Occupation </Th> </Tr>

What are the different fields of mechanical engineering