Public transportation είναι "δημόσια μεταφορά". Μαζική μεταφορά είναι mass transportation.
The words are already all assembled correctly into the solution (no exercise to do) - android for mobile
It happens sometimes.
I included είδη DL marked it wrong
What do you mean? What did you write?
Yes, not exactly a term which trips off the tongue. I don't doubt people say something else
That's what people use. ;)