Chemical or radiothermal.
Zinc-mercury oxide battery - often used in hearing-aids. Lithium-iodide battery - Lithium-iodide chemistry is used in pacemakers and hearing aides because of their long life.
It is used in medical healing. It is used in night vision apparatus.
Okay how batteries are selected for use in medical apparatus used by humans etc pace makers and hearing aids?
A medical apparatus for carrying urine from the ureter to an external bag container, is a catheter.
Radioactive isotopes for medical diagnosis are used for sterilizing medical apparatus. These isotopes are also used to figure out the actual function of a person's organ and to treat it if necessary.
A battery is an apparatus that converts electrical energy into potential energy. When a battery is charged, it stores electrical energy in the form of chemical potential energy, which can be later converted back into electrical energy when the battery is discharged.
apparatus
Long-life primary batteries are used in various medical apparatuses such as hearing aids and pace makers. The capacities of the batteries vary depending on what type of equipment it is used for.
vicats apparatus is used for initial setting time of cement.
Infra-red waves are used in night vision apparatus.
A SPATULA is a kind of laboratory apparatus used for stirring or mixing chemicals.. I hope You get this..
Glass laboratory apparatus are usually resistant to acids. Wood laboratory apparatus are usually used for mixing dry elements. Metal laboratory apparatus are for mixing liquid elements and rubber apparatus are usually used for testing and measuring.