Four Girls entered a BRT Bus full of Male Engineers. Since there was no more place available, they sat on each of the Boys' laps.
After ten minutes.
1ST GIRL: Are you an Electronics and Communication Engineer?
1ST BOY: How did you know?
1ST GIRL: Your tower is communicating with my unreachable area.
2ND GIRL: Are you an IT Engineer?
2ND BOY: How did you know?
2ND GIRL: Your Pendrive is trying to connect with my USB Drive.
3RD GIRL: Are you a Mechanical Engineer?
3RD BOY: How did you know?
3RD GIRL: Your piston is trying to move into my cylinder.
4TH GIRL: Are you a Civil Engineer?
4TH BOY: How did you know?
4TH GIRL: Your dam (sperm) has broken and flooded my village (bom bom)
Whaaaaat, The 4TH BOY FAINTED.