Only factors of law are binding. Such as， in (Qualcast v. Haynes)， it was made the decision that the 'precedent' that employers who failed to give Directions on the usage of protecting apparel have been de facto negligent， was an issue of fact and so not binding. John Smith. In https://thesocialintro.com/story14292612/a-review-of-essay%E4%BB%A3%E5%86%99%E4%BB%B7%E6%A0%BC