Before revision: There was also a series of tragic deaths in the 1940s involving children who were wearing long rayon pile cowboy chaps or brushed rayon sweaters due to the highly flammable nature of the fabric .
After revision: There was also a series of tragic deaths in the 1940s involving children who were wearing long rayon pile cowboy chaps or brushed rayon sweaters caused by the highly flammable nature of the fabric .