Bachelor's degree chemical engineers usually have their first job related to chemical, pharmaceutical, or biotech operations. This work may be in the field or in an office. Some young engineers work for contracting firms and may be involved in plant design, start-up, troubleshooting, or validation.
7. Get a pre-inspection. In some states, smog check stations will do a less expensive pre-inspection that shows if a car will pass or fail without officially recording the results with the state's registry of motor vehicles. If an owner knows the car is borderline, this might be a good idea, says Asmerian.
Checking for Dangerous Gases. One of the main reasons why vehicles are asked to undergo a smog check is to monitor 5 gases â hydrocarbons, carbon monoxide, nitrogen oxides, carbon dioxide, and oxygen. More often than not, the end result for a smog test to fail is high levels of these gases.