Because you may not be strong enough to support their weight. This could either put them in danger or cause you injury !
respect
manually operated user selection equipment =mouse
Transcription is the act of manually converting the speech into text. Such an operation can be performed by a user at home, or through a professional transcription service.
Manually operated user sensible equipment.
manually operated user's symbolic encode
how to explain what is confidentiality to a service user
Manually Operated User Signal Encoder
drvstor.exe
Almost every online service provides a Terms of Service and Privacy Policy (TOS and PP) which a user should be familiar with before signing up. A user should always use a strong passphrase and never share it with anybody under any circumstances. The user should also be sure to use a valid email address with a service that provides some kind of spam protection. Finally, the user should always be sure they understand how to close their account should they later decide to do so.
the service user is a person/people who have difficulties in their life and are having trouble with their mental health
The Service User is a group of adults and young people who use social work services
You ask for a sophisticated answer however the answer is very simple. non-Gui is much easier than Gui development and should be used when testing(creating small scripts for personal knowledge) or when the user does not need to manually input anything. Gui development on the other hand should be used when the user needs to manually enter things or chose options, though developing a gui is much more difficult.