A safety harness is a form of protective equipment designed to protect a person, animal, or object from injury

Injury

-By cause:*Traumatic injury, a body wound or shock produced by sudden physical injury, as from violence or accident*Other injuries from external physical causes, such as radiation injury, burn injury or frostbite*Injury from infection...

 or damage. The harness is an attachment between a stationary and non-stationary object and is usually fabricated from rope

Rope

A rope is a length of fibres, twisted or braided together to improve strength for pulling and connecting. It has tensile strength but is too flexible to provide compressive strength...

, cable

Cable

A cable is two or more wires running side by side and bonded, twisted or braided together to form a single assembly. In mechanics cables, otherwise known as wire ropes, are used for lifting, hauling and towing or conveying force through tension. In electrical engineering cables are used to carry...

 or webbing

Webbing

Webbing is a strong fabric woven as a flat strip or tube of varying width and fibres often used in place of rope. The name webbing comes from the meshed material frequently used in its construction, which resembles a web...

 and locking hardware. Some safety harnesses are used in combination with a shock absorber

Shock absorber

A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. It is a type of dashpot.-Nomenclature:...

, which is used to regulate deceleration when the end of the rope is reached. One example would be bungee jumping

Bungee jumping

Bungee jumping is an activity that involves jumping from a tall structure while connected to a large elastic cord. The tall structure is usually a fixed object, such as a building, bridge or crane; but it is also possible to jump from a movable object, such as a hot-air-balloon or helicopter, that...

.

Uses

Safety harness types include:

• Seat belt
  Seat belt
  A seat belt or seatbelt, sometimes called a safety belt, is a safety harness designed to secure the occupant of a vehicle against harmful movement that may result from a collision or a sudden stop...
  
  s.
• Child safety seat
  Child safety seat
  Child safety seats are seats designed specifically to protect children from injury or death during collisions. Automobile manufacturers may integrate child safety seats directly into their vehicle's design...
  
  s.
• Over-the-shoulder restraints used on roller coaster trains.
• A seat with a full body harness such as used by fighter pilot
  Fighter pilot
  A fighter pilot is a military aviator trained in air-to-air combat while piloting a fighter aircraft . Fighter pilots undergo specialized training in aerial warfare and dogfighting...
  
  s.

Occupations that may involve the use of safety harnesses include:

• Roof
  Roof
  A roof is the covering on the uppermost part of a building. A roof protects the building and its contents from the effects of weather. Structures that require roofs range from a letter box to a cathedral or stadium, dwellings being the most numerous....
  
  er
• Window washer
• Theatrical fly crew
  Fly crew
  A fly crew is a group of people who operate a fly system from its locking rail during a theatrical production. The responsibilities of a fly crew include bringing battens in and out, keeping the fly system linesets in balance, and ensuring that the fly system's rope locks are applied when the...
  
   member
• Construction worker
  Construction worker
  A construction worker or builder is a professional, tradesman, or labourer who directly participates in the physical construction of infrastructure.-Construction trades:...
  
  
• Crane operator
• Bridge painter
• Lineman
• Rock climber
• Motorsport
  Motorsport
  Motorsport or motorsports is the group of sports which primarily involve the use of motorized vehicles, whether for racing or non-racing competition...
  
  
• Scaffolder
• {there are also fall arrest harness..}