The Toughbook 52 is constructed of magnesium alloy and includes a shock-mounted screen and easily removable hard drive for extra physical data security. With battery life of approximately 4-6 hours, depending on use environment, the semi-rugged Toughbook is certified to the MIL-STD-810F standard, tested to withstand drops of up to 2.5 feet on all six sides. The hard drive itself is tested to withstand a drop of 3 feet. The Toughbook 52 also includes a spill-resistant keyboard. (Photo: Business Wire)