Answer:
While I do not know the difference, I do know what both of them are, hope this helps! It does sound pretty similar to online things but this is what they are.
Ambulatory Aid is a type of medical care provided on an outpatient basis. Where they do a diagnosis, observation, consultation, and treatment.
Manual Conveyance is a condition in which there is insufficient fluid available in the circulatory system resulting in a reduction in cardiac output.
True or false? The answer is true
Answer: He is using Be prepared and Get experience
Explanation: If the speaker is presenting his speech several times to different friends and family friends is because he wants to get the experience of what is like to speak in front of others. Also, he wants to be prepared in all the process that it takes to speak in front of others, that goes beyond just talking, there is also a way of communicating with the audience.
That's why I kidnap them and put them in my basement. Sweet revenge.
I believe the answer you are looking for is B. It was a simple google search :)