15. Verbal and Non-Verbal Communication
How many common type/types of communication do we have in supporting train operations? (1 point)
a) 1 type only which is Verbal Communication
b) 1 type only which is Non-Verbal Communication
c) 2 types which are Verbal communication and Non Verbal Communication
d) 2 types which are Indication for Approval to Proceed at Sight and Verbal Approval to Proceed at Sight
e) More than 2 types