Question

there are several different types of poisons and poisonous gases that form when welding. these poisons come from: interactions between welding arcs, heat and degreasing/cleaning agents specific metals (like lead, cadmium, or chromium) paints, coatings, and protective surfaces on metal all of the above 3 of 6 / 2 of 6 answer

Explanation:

Poisons in welding can come from interactions of arcs/heat with cleaning agents, toxic metals (lead, cadmium, chromium), and paints/coatings on metal. All listed sources are valid.

Answer:

D. All of the above