We've built two new __________ because we want to increase our stock of materials. 2.We have staff in our __________ answering the telephone and dealing with customer's questions twenty-four hours a day, seven days a week. 3.The __________ department carries out research in their laboratory. 4.Our __________ are in central London but we manufacture our products all over the country. 5.The __________ department deals with payroll and all other money-related matters.