Two-factor authentication. When elements representing two factors are required for authentication, the term two-factor authentication is applied â e.g. a bankcard (something the user has) and a PIN (something the user knows).
A body rub is a combination of pressures, tensions, motions and vibrations, performed manually or with mechanical devices. The various oils, lotions and liniments used during a massage are also referred to as body rub. These include grape seed or coconut oil, nut oils and mustard oil.
Exercise and Body Heat. Your body heats up when you exercise, and it will show on your skin. Your skin feels hotter to the touch and may look flushed, and you sweat. Although those things let you know how much heat your body is giving off, they are actually the ways that the body cools itself. Working muscle produces heat in two ways: 1  The chemical energy used in muscles contracting is not efficiently turned into mechanical energy.