Items not permitted under the Aviation Act include those such as blades, bats, etc. That can be used as weapons cannot be brought onto the aircraft. In addition, the carry-on of liquids and other items are restricted on international flights.
If the security check finds banned or restricted items, passengers will be asked to voluntarily surrender them, but there are also items that can be put in checked baggage at the check-in counter.
"Security Information" presents examples of objects that are allowed and those prohibited from carrying onto aircraft. Please consult with your airline for more detailed information.