List of computer size categories. From Wikipedia, the free encyclopedia. This illustration shows the development of computers, from huge room-sized computers in the 1940s and 1950s (left-most photo) to smaller personal computers over the 1980s to the 2010s.
New US DOT Hazmat Safety Rule to Place Lithium Battery Limits in Carry-on Baggage on Passenger Aircraft Effective January 1, 2008. Passengers will no longer be able to pack loose lithium batteries in checked luggage beginning January 1, 2008 once new federal safety rules take effect.
Allowed and Prohibited Razors. Not only is an electric razor allowed in checked baggage, but it can also be carried onto the plane. This is also true of disposable razors and cartridges. Straight razors are not permitted on a plane, and neither are safety razors unless the blade is removed beforehand.All razors are allowed in checked luggage.Batteries for your electric razor are allowed in carry-on or checked luggage.hanks to an electric razor's lack of sharp points, the shaving device is good for air travel, according to the Transportation Security Administration. However, if you are traveling with other shaving-related toiletries, regulations limit what you can bring on the plane and determine how you should pack it.