TYPES OF ENGINEERS AND INDUSTIAL ENGINEER'S ROLE

CHEMICAL ENGINEERING:Develop processes and products made with chemicals perhaps in the food, petroleum, or pharmaceutical industries.
CIVIL ENGINEERING:Design roads,building,transportation systems and other large-scale cpnstruction projects.
ELECTRICAL AND COMPUTER ENGINEERS:Design,constructand maintain electronic systems, which may include working with computer chips, circuits and electronic communications.
GEOLOGICAL ENGINEERS:Solves earth related technical problems while at the same time protecting the environment
MATERIALS ENGINEERS:Study metals, ceramics, plastics, and composites to design materials for applications that may involve transportation, communication or power production.
MECHANICAL ENGINEERS:Create machines and may work on transportation systems, power production or performance analysis.
NUCLEAR ENGINEERS:Work with nuclear reactors,fusion,fisionand radiation applications
FOOD ENGINEERS:aim to produce safe and healthy food.
INDUSTIAL ENGINEERS:They use their knowledge in equipment,material,procedures,human resources and production methods to help organizations in improving their efficiency and productivity.And also they pay attention the management side of operations.

REFERANCES:
http://www.nativeaccess.com/types/manag_industrial.html
http://www.madison.k12.wi.us/toki/teched/vtypes.htm
http://en.wikipedia.org/wiki/Engineering