Hydrochloric Acid is needed to for a healthy digestion. It can be used industrially for the processing of steel. This is used to manufacture the suspension bridges, trucks and cars. This is needed for the production of photoflash bulbs, batteries, and fireworks. This is suited to process the sugar as well as gelatin. Hydrochloric acid is a chemical that is extremely beneficial in several ways. The chemical needs safety precautions. It has a sharp as well as irritating odor.