Up to 150 workers were believed to have been inside the factory, which produces syringes and other plastic medical supplies, at the time of the explosion.
A company that makes medical supplies had a freak accident that included some of the employees.
( z1 accident :mod ( z2 freak ) :ARG2-of ( z3 include :ARG1 ( z4 person :quant ( z5 some ) :ARG1-of ( z6 include :ARG2 ( z7 person :ARG1-of ( z8 employ :ARG0 ( z9 company :ARG0-of ( z10 make :ARG1 ( z11 supply :ARG1 ( z12 medicine ) ) ) ) ) ) ) ) ) )