Human Environment

A steel alloy containing between 10-30 percent chromium, which has unusual heat and corrosion resistance qualities. Nickel, titanium, copper, or other elements may be added to the alloy to enhance strength and rust resistance of the final alloy. Stainless steel is used in the making of a variety of products such as machinery parts, cooking and kitchen appliances, cutlery, and medical instruments.

A room in a hospital where autopsies are performed on the bodies of dead persons. An autopsy is a post-death surgery and examination meant to determine the cause of death in cases where there is uncertainty in regard to the circumstances or conditions under which the person died. In some cases of terminal diseases, autopsies are used to study the characteristics of the disease and the extent of the changes it produced the body.

A wheeled hospital gurney, usually made of stainless steel, which is used for holding, examining, or transporting the bodies of dead people.

A tool used for making holes in hard materials. A drill has a narrow, protruding, spirally-groove end, or bit, which revolves while penetrating through solid substances, such as wood, metal, and stone. The holes created by drilling can vary in circumference and length according to the circumference and length of the sharp end of the drill, which can be changed according to need.

Diesel is a petroleum derivative used for fuel and gets better fuel efficiency than gas, although as it combusts to produce the energy harnessed to drive engines, it has dirtier emissions than straight gas.

A vehicle, usually a truck or bus, which has a diesel engine and runs on diesel fuel is also referred to as "a diesel." Diesel engines are recognizable from gas engines in the distinctive noise they produce. Diesel engines are also different from standard engines in that they ignite fuel by compressing air in the cylinder to sufficiently high temperatures, rather than by an electric spark. Diesel engines are more efficient than standard gasoline ones, and therefore are utilized in cargo trucks and other large vehicles that drive long distances and/or carry heavy loads.

A four-door car design with three separate interior compartments: one for the engine, one for the passengers, and one for the cargo. The origin of the term is not certain, but it is likely to have developed as a derivative of the Italian word sede, which means "chair." It is probably the most common compact family car, as it comfortably fits at least four passengers.

A small light installed inside a car, usually in the center of the vehicle's ceiling, which comes on automatically when the door is opened. In older car models, there was no way to turn this light off other than by closing the door or manually pressing the light's switch, which is located in the door frame. These days, most interior car lights have a switch right next to them that allows for better control over the mechanism.

A travel bag used for short trips, usually designed as a small suitcase, with a zipper on top and either a shoulder strap or two handles. Flight bags are light and easy to lift, and are excellent for taking on a plane as carry-on luggage.

Typically a kind of backpack, knapsack, or rucksack made from canvas, a durable natural-fiber fabric, and large enough to carry a significant amount gear, supplies, or equipment. Many of these old packs are actually military rucksacks, or designed to emulate them, because of their cubic interior capacity and the simplicity of their design.

A strong, thick, durable cloth made of natural fibers such as hemp, flax, cotton, or jute. The name probably came from cannabis, the Latin term for hemp. Canvas cloth has been used for centuries to make sails, tents, and large carrying bags. A lighter variety, known as artists' canvas, is used for oil paintings.