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.
Note that checked baggage weighing more than 100 lb. or 45 kg. will not be accepted. Packing Tips Remove all old airline tags from your luggage. Attach identification tags to the inside and outside of the bag, giving destination as well as hom e addresses. Keep all medications and high value items such as cameras, jewelry electronic devices and cash with you, do not put them in checked baggage.