Ultrahazardous activities
Those activities that have an inherent risk of injury and therefore may result in strict liability.
Strict liability
Liability without having to prove fault.
Products liability
The theory holding manufacturers and sellers liable for defective products when the defects make the products unreasonably dangerous.
Product misuse
When the product was not bring used for its intended purpose or was being used in a dangerous manner; it is a defense to products liability claim do long as the misuse was not foreseeable.