1.physics  engineer -space ,craft,satellites

2. chemical engineering - water , air  ,

a chemical compound

a chemical experiment

3.architectural engineer - building, crash,

4. aerospace engineer -
5. auto  engineer -

6.electronic communications - electric, cable,  connection, station ,

7.geophysics engineer -

8.building engineer -

9.IT engineer  - programming write

10. information technology engineer  -

11.radio communications - LAN, Wireless ,

12.mining engineer -  marl, mineral

13.network engineer -   switch , rooter,computer ,