QUES: Groundbreaking ceremony for extension of ATC in Brno

correct the punctuation.

CORRECTED: Ground-breaking ceremony for extension of ATC in Brno

QUES: March 11th European Conference of Advanced Computer Technics Zaragoza Spain

correct the punctuation.

CORRECTED: [March 11th] European Conference of Advanced Computer Technics, Zaragoza, Spain

QUES: Mounting is this simple step by step as illustrated

correct the punctuation.

CORRECTED:
Mounting is this simple step by step as illustrated: