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.
With the exception of prohibited items, such as gasoline, paint thinners and pepper spray, you can pack any size liquid or gel item in your checked baggage. Just remember that most airlines charge fees for a second bag and some for a first bag. To save on space, consider purchasing what you need at your destination.