De or het machinebediening?

The correct Dutch article is:

de machinebediening

Rule Words ending in -ing: almost always de. See the rule

How to use machinebediening

the machinebedieningde machinebediening
this machinebedieningdeze machinebediening
that machinebedieningdie machinebediening
our machinebedieningonze machinebediening
your machinebedieningjouw machinebediening
every machinebedieningelke machinebediening
which machinebediening?welke machinebediening?
a big machinebediening / the big machinebedieningeen grote machinebediening, de grote machinebediening