Please be aware that both your checked baggage and carry-on baggage may be subjected to security screening. There are some items which are prohibited in carry-on baggage and some items which are prohibited in checked baggage.
Generally you are prohibited from carrying dangerous goods, restricted items such as:
Corrosive, magnetized or radioactive materials
Toxic and infectious substances
Sharp or other dangerous objects which could be used as weapons aboard the aircraft.
To avoid delays during the passenger screening process, we recommend that you place items such as jewelry, keys, cell phones etc. in your carry-on baggage and not on your person. Pack appropriately to avoid inconvenience and delays at security check points.