Am I using the semi-colon correctly

[vivian3909]

Is this sentence correct?

They had difficulty talking with people they need communication with; doctors, pharmacists and bus drivers.

[Chicchick]

You should use a colon before a list.

A semi-colon is more for dramatic pauses.

[Rover_KE]

A semicolon is also used to separate two complete clauses, both of which have a main verb and which are closely connected; this is an example of its use.

Rover