Ceasar is shopping in Joann's Hardware Store when a nail gun being used by Glenn, one of Joann's employees, fires without warning and hits Ceasar in the leg. Joann checks the gun and discovers that it was assembled improperly. Ceasar files suit against Best tools, Inc., the manufacturer of the gun, for product liability, on the ground of strict liability. What are the elements for an action based on strict liability? In whose favor is the court likely to rule?