In an experiment, a control is used to establish a baseline to compare the results of the main experiment to. Having a control group rules out any environmental variables, such as temperature and... In an experiment, a control is used to establish a baseline to compare the results of the main experiment to. Having a control group rules out any environmental variables, such as temperature and...
Knives, including small pocket knives, are only allowed in checked bags. Only plastic and round-tip butter knives are allowed as carry-on blades. Most bladed items are allowed in checked baggage, including scissors, razors, swords, axes, box cutters and blade tools, if they are properly wrapped or sheathed.
TSA Recognized Locks. TSA officers have tools for opening and re-locking baggage with accepted and recognized locks, such as Safe SkiesÂ® and Travel SentryÂ® , reducing the likelihood of damaging the lock or bag if a physical inspection is required. TSA is not liable for damage caused to locked bags that must be opened for security purposes.