Want this question answered?
how many hours does it take to build a hair dryer
how many hours did it take to build the largest pumpkin in the world
It will take them 5 hours to build the wall.
i took two years, 7 hours and 37 mins
The bombing of what? Pearl Harbor? Hiroshima? Tokyo? You are going to have to repost this as a more specific question.
(Year 2011) About 29-33 hours per vehicle for most passenger cars.
The Swordfish torpedo bomber of the Royal Navy was the first bomber to take off from a carrier.
10 Hours
From concept to 1st production - 9 months on an assembly line a couple days
100 hours
about 150 working hours
Only 2 hours.