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  1. 1.  An elevator (or lift in the Commonwealth) is a type of vertical transport equipment that efficiently moves people or goods between floors (levels, decks) of a building, vessel or other structures. Elevators are generally powered by electric motors that either drive traction cables or counterweight systems like a hoist, or pump hydraulic fluid to raise a cylindrical piston like a jack
  2. 2.  Elevator doors protect riders from falling into the shaft. The most common configuration is to have two panels that meet in the middle, and slide open laterally. In a cascading telescopic configuration (potentially allowing wider entryways within limited space), the doors run on independent tracks so that while open, they are tucked behind one another, and while closed, they form cascading layers on one side.
  3. 3.  This can be configured so that two sets of such cascading doors operate like the center opening doors described above, allowing for a very wide elevator cab. In less expensive installations the elevator can also use one large "slab" door: a single panel door the width of the doorway that opens to the left or right laterally. Some buildings have elevators with the single door on the shaft way, and double cascading doors on the cab.
  4. 4.  Space to stand in, guardrails, seating cushion (luxury) Overload sensor—prevents the elevator from moving until excess load has been removed. It may trigger a voice prompt or buzzer alarm. This may also trigger a "full car" indicator, indicating the cars inability to accept more passengers until some are
  5. 5.  A set of doors kept locked on each floor to prevent unintentional access into the elevator shaft by the unsuspecting individual. The door is unlocked and opened by a machine sitting on the roof of the car, which also drives the doors that travel with the car. Door controls are provided to close immediately or reopen the doors. Objects in the path of the moving doors will either be detected by sensors or physically activate a switch that reopens the doors. Otherwise, the doors will close after a preset time.
  6. 6.  A stop switch (not allowed under British regulations) to halt the elevator while in motion and often used to hold an elevator open while freight is loaded. Keeping an elevator stopped for too long may trigger an alarm. Unless local codes require otherwise, this will most likely be a key switch. An alarm button or switch, which passengers can use to signal that they have been trapped in the elevator.
  7. 7.  The top end of the market comes in just over $30,000 for the typical retrofit. The lowest we have seen is $10,000. Of course, the price rises with accoutrements, as with anything, but in the larger scheme of home remodelling, home elevator cost is less than the average kitchen remodel. And more to the point, residential elevator cost is hardly a limiting or deterring factor in the decision to own one. Be aware that retrofitting really drives the home elevator cost as compared to having one installed during construction.
  8. 8.  creates more usable space use less energy (70-80% less than hydraulic elevators) uses no oil
  9. 9.  all components are above ground similar to roped hydraulic type elevators (this takes away the environmental concern that was created by the hydraulic cylinder on direct hydraulic type elevators being stored underground) slightly lower cost than other elevators can operate at faster speeds than hydraulics but not normal traction units
  10. 10.  Expensive Consumes a lot of electricity Limited number of occupants Technical problems may occur Hygienic problems/ health problems High risk of violence
  11. 11.  Anti-theft X-ray scanner Veriface Motion Detecting Camera Vending machine/snack counter Carbon fibre frame Advanced smoke detecting device Hologram-imaging Hologram panel Magnetic-levitation Explosion/fire-proof Automated bactericidal UV light Automated sanitary air freshener