What do these have in common???

India
February 1, 2007 1:27am CST
What do bullet proof vests, fire escapes, windshield wipers and laser printers all have in common??? tell me fast ....the common thing is very common Now use ur common sense...and start posting ur answers.......
3 responses
@suman76 (648)
• India
1 Feb 07
E is common in all the words
• India
1 Feb 07
very silly answer u gave anyways try again later
@nitsy_s (1028)
• India
1 Feb 07
Actually , i have no idea...Gimme a clue .
• India
1 Feb 07
nope....no clues find out yourself the answer is very much common in a man's life
• Philippines
13 Feb 07
all of them are invented by WOMEN..