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.
1 Consider removing your laptop's hard drive and packing it (carefully) in your carry-on bag. 2  Pack the notebook in a shock-resistant case, such as an Otterbox, or buy a ruggedized notebook. 3  Put a TSA-approved lock on your checked bag to reduce the chances that an unscrupulous baggage handler will steal your laptop. Consider removing your laptop's hard drive and packing it (carefully) in your carry-on bag. 2  Pack the notebook in a shock-resistant case, such as an Otterbox, or buy a ruggedized notebook. 3  Put a TSA-approved lock on your checked bag to reduce the chances that an unscrupulous baggage handler will steal your laptop.