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They have helped rescue people in medical needs that don't have any help at the time.
There are specific instructions for the robot that are coded using some kind of programming language.
robots,robots and robots
Robots have many different uses. Robots originated in Japan. There are some human and animal robots. There are robots in existence that can sneeze, talk, walk, and express emotions. For example, there is a robot in Japan that is a practice robot for dentists, she talks with the dentists about her condition and can express any pain. There are therapeutic robots that can help calm patients this is similar to Animal Assisted Therapy. And also a animal robot that can help children have less pressure when reading. There are also search- and- rescue robots, that can carry nearly 1 ton of rubbish. This is what robots are used for.
There are many reasons why the military started using robots. I have mainly heard that they are used for extra cameras and extra force. There have been many robots made to search for specific types of harm. This makes it easier for Military Control Centers to know where they need to strengthen their military. I have also seen videos of robots that have specific types of weapons attached that either humans can't use, or the robots can make the shooting range more accurate than humans. Hope that helps some!
Military, Cleaning, Space Robots
Some robots are very expensive costing millions of dollars. Some robots are very cheap and cost less than 10 dollars.
No it is not necessary that all robots have arms and legs. Some robots have only arms and some have legs and some have wheels for their mobility. Basically it depends on the requirements as the requirements dictate how we design our robots. For example in automobile industries robots are used only for welding purposes or in paintshop. These types of robots have only arms not legs.
Some good retailers for office supplies such as envelopes would be Staples or Office Depot. If one is looking for envelopes in particular, one might try a post office as well.
You can purchase envelopes of all sizes online. Depending on what type of paper you are looking for, you might be able to find some envelopes at the website Action Envelope. Another good place to look for envelopes in bulk is at Limited Papers.
Advantage- Keeps soldiers out of danger by replacing some of their jobs with robots Disadvantage- Robots are expensive
No that is South Korea some schools have robots an English teacher