41. They analyzed many different types of communications ( business letters , documents, emails ) to compare the communication style. 42. Westerners cap the salutations of their business letters with a colon, to wit : Dear Mr . Doe :. 43. Despite our new reliance on electronic communication, the business letter and the memo still require such coherence and clarity. 44. Meanwhile, the pervasiveness of e-mail means that I'm sending far fewer business letters and invoices than in years past. 45. This took the form of writing a business letter , solving mathematical problems, and knowledge of accounting and pay systems. 46. According to his secretary, he opened some mail, and in the course of dictating a business letter became distracted. 47. Fold rectangle into thirds like a business letter , then knead 2 to 3 minutes, until chocolate and cherries are distributed. 48. Thy Name ) . " Many religious texts and official government or business letters still make use of the optative subjunctive. 49. My secretary / PA is as good a worker as any in industry, and on ordinary business letters goes very quick. 50. I do a lot of business paperwork and administration that involves retrieving business letters and other documents from my filing system.