Meaning : Manual (or mechanical) carrying or moving or delivering or working with something.
Meaning : The action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means.
Synonyms : manipulation
Meaning : The management of someone or something.
Example :
The handling of prisoners.
The treatment of water sewage.
The right to equal treatment in the criminal justice system.
Synonyms : treatment