### devices:

Kitchen tool
* are devices
  - lifesavers
* come in wood, plastic and stainless steel.

### devices:

Medical device
* Many medical devices contain microprocessors that calculate dates
  - pump fluids
* Many medical devices rely on a display or user-interface module to relay information to the user
  - polymers to permit effective functioning
* Some medical devices contain dry natural rubber
  - latex
* Some medical devices contain natural latex
  - rubber latex
  - oil
  - require sterilization
* are devices.
* change from year to year.
* differ concerning the types and amounts of chemicals added.
* have a tendency to be used more by the elderly in disproportionate amounts.
* range from tongue depressors to heart pacemakers and medical imaging equipment.

Pick
* are devices
  - hand tools
  - industrial equipment
  - made of metal
  - metal pieces with teeth on the end
* come in a wide variety of shapes, sizes, and thicknesses
  - various shapes, sizes, hardnesses, and in varying degrees of flexibility

Sports equipment
* is devices
* is located in arenas
  - malls
  - schools
  - sporting events
* is used for play games
  - playing sports
  - waste time

### devices | sports equipment | baseball equipment:

Batting cage
* is baseball equipment
* require artificial turf and netting.

Free weight
* are hand-held weights such as barbells and dumbbells
  - the only way to attain good form, build true muscle and burn fat
* is sports equipment.
* require recruitment of more muscles, and also better balance.

### devices | sports equipment:

Skate
* All skates are oviparous
  - lay eggs, which are leathery cases very similar to shark egg capsules
* Most skates have rough, thorny skin.
* Some skates are nymphs.
* are a type of ray and are related to sharks
  - fish
  - more markedly flat-bodied rays
* are motivated by the goal of cools
  - exercises
  - joys
  - likes
  - part of ice hockeys
  - strictly carnivorous and feed mostly at night
  - unusual fish
  - wheeled vehicles and subject to all traffic laws
* can also prevent flat spots on wheels caused by excessive application of hand brakes.
* have a disc shaped body with two wings that are used for swimming, and a long thin tail
  - three edges inside, outside and center
* is sports equipment
* lay egg cases, whereas rays give birth to live young.
* live in salt water and differ from rays in certain physical and biological characteristics.
* means in-line skates, roller blades or similar devices.
* reproduce by laying eggs enclosed in horny capsules that often wash onto beaches.

### devices | sports equipment | skate:

Ice skate
* All ice skates work on the same principle of forming a lubricated surface by pushing to the side.
* are skates
* have narrow pieces of metal on the bottom of the shoes
  - sharp edges, and thus a small area in contact with the ice
+ Ice skating: Skating
  * People wear special shoes to skate on ice. These special shoes are called ice skates. Ice skates have narrow pieces of metal on the bottom of the shoes. People balance on these pieces of metal. People can move on the ice from place to place by sliding on these metal rails on the bottom of their ice skates. Professionals compete in ice skating competitions.

### devices | sports equipment | skate | ice skate:

Hockey skate
* Most hockey skates look like ice skates.
* are ice skates.
* have a longer radius for more speed.
* is an ice skate

Little skate
* are smaller in size than any other skate species found in the Gulf of Maine.
* feed on a variety of crustaceans as well as clams, squid and worms.

Wrist guard
* are sports equipment.
* can can impair a child's ability to grip the handle and steer the scooter
  - reduce the risk of broken bones or dislocated joints