question: Moisture can turn metal what color
choices.text: orange damaging solid erosion smooth nectarine mineral Unsafe
choices.label: A B C D E F G H
fact2: Moisture is the main cause of rust.
combinedfact: Moisture can turn metal orange on the surface
formatted_question: Moisture can turn metal what color (A) orange (B) damaging (C) solid (D) erosion (E) smooth (F) nectarine (G) mineral (H) Unsafe