What additive is used in some meat fillers to prevent e. coli contamination?

Ammonia

E. coli is a  type of bacteria that lives in the intestines of humans and animals. Some types of E. coli are harmless while some types can make you ill. Meat becomes contaminated during slaughter when infected animal intestines or feces come in contact with the meat.

To prevent E. coli contamination, ammonia is being used in some meat fillers. Although ammonia is not regarded as a disinfectant, it is an  eco-friendly cleaning solution than other chemical-based products

materials water oxygen those are the things i can think of in this moment.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.