Which of the following is NOT a commonly found chemical in food? service?

HMOs provide the insurance coverage and:

a. claims administration. b. the health care. c. the physicians. d. the facility.

A HAFOE (high air flow with oxygen enrichment) is set at 35%. What is the air-to-oxygen entrainment ratio?

A) 2:1 B) 3:1 C) 4:1 D) 5:1