Peggy Serna, phone # 602-***-****. I have worked as a housekeeper, And as a certified Nursing Assistant, And as a care giver for the department of DDD DES for the disabled, As a housekeeper we had to attend classes of OSHA, And asA nurse we had to be cautious of chemical spills, blood pathogens, And the correct and couscous way to pick up spills and most of all not to mix cleaning seloution together