misery – n. extreme suffering or unhappiness
assembly line – n. a line of machines, equipment, workers, etc., in a factory that builds a product by passing work from one station to the next until the product is finished
adequate – adj. enough for some need or requirement; good enough; of a quality that is good or acceptable
deduction – n. something (such as an amount of money) that is or can be subtracted from a total
social security fund – n. a fund created to pay workers when they are too old to work or are injured and cannot work
undercover – adj. done or working in a secret way in order to catch criminals or collect information
adjust – v. to change in order to work or do better in a new situation
brand – n. a category of products that are all made by a particular company and all have a particular name