Km systems are developed using communication and collaboration, and storage and retrieval technologies.
a. true
b. false

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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if you go to ask a question say ask, there should be something that looks like this. a camera lens.