How many women were killed in munitions factories during ww1?

Some 37 girls and women and three men died in three explosions at the nearby Barnbow Munitions Factory. The Barnbow factory on Manston Lane was opened in 1915 and at its height employed 17,000 workers, 16,000 of them being women and girls. On December 5 1916 a huge explosion killed 35 women and injured many more. Details of the tragedies were kept secret until after the war.