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.
If you are: 1) active duty U.S. military personnel on orders to or from duty stations and dependents traveling with them; or 2) active U.S. military dependents traveling on relocation orders, you may check the following at no charge: 1  Up to four bags in Main Cabin on Delta and in all cabins on Delta Connection flights.ne golf bag may be accepted as checked baggage, and overweight fees will apply to bags that exceed 50 lbs. For detailed information on traveling with sports equipment, see Special Items.