India, Jan. 14 -- We have all been there when our cabin bags hold up the line during security checks, and you are called to the side to explain why a bottle or a pair of scissors is sitting in your hand luggage. Here are five things you should avoid putting in your cabin bag, all of which can be sent through check-in bags without any trouble at all.

The rule is simple but easy to forget. Liquids and gels must be in containers of 100 ml or less, all fitting into one clear one-litre bag. What trips people up are items that do not feel like liquids at first glance. Peanut butter, jams, thick creams, oversized perfume bottles, and full-size aerosols are common troublemakers. Airport security is straightforward. If something breaks the rules,...