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.
the workers are checked for syringes and other plastic medicl suplies daily
( z1 check :ARG1 ( z2 person :ARG0-of ( z3 work ) ) :ARG2 ( z4 and :op ( z5 syring ) :op ( z6 thing :ARG1-of ( z7 supplement :ARG2 ( z8 medicl :mod ( z9 plastic ) ) ) :mod ( z10 other ) ) ) :frequency ( z11 rate-entity :ARG3 ( z12 temporal-quantity :quant 1 :unit ( z13 day ) ) ) )