I have messed up my taskbar

[Mick M.]

Hello;
 I am running F10 and kde plasma.
I right-clicked on the taskbar, bottom right-hand corner near the clock.
Then accidentally clicked "remove this  SOMETHING".
I lost my icons for network and ktorrent, I just have the clock.

I have searched the F menu cannot find how to put them back, or what it was that I clicked. It's not is settings, desktop, taskbar.

Help please

Mick M