Complex sentence: Consumers suffer thousands of injuries per year, such as cut fingers and sprained wrists, from tools used to open packages and from packaging itself, and in some cases damage the items they are trying to free from packaging.
Split into simpler sentences: Consumers suffer thousands of injuries per year, such as cut fingers and sprained wrists, from tools used to open packages and from packaging itself. Some consumers even break the items they are trying to free from packaging.