THANKS TO THE DEVELOPMENT OF INFOMATION...WE CAN COMMUNICATE WITH...

9/ - HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2
HE THONG DE KIEM TRA TRAC NGHIEM 15''''ANH 10 CB 2

9/ Thanks to the development of infomation...we can communicate with each other

very quickly through the Internet.

a

technical

b

technician

c

technique

d

technology