In fact, some experts have called the LOI a document whose use is primarily advocated or promoted only by amateurs and marginal dealers or "joker_broker" types in the crude trade business, especially the overzealous sellers' agents and brokers in a desperate hurry to land some buyers. Mr. Ziad K. Abdelnour, President & CEO of Blackhawk Partners, Inc, a New York_based advisory firm to traders and suppliers of metals, minerals and crude oil commodities, calls the LOI document something that is primarily "used out on the Internet by inexperienced traders," and by "inexperienced 'intermediary seller' who is claiming to be the supplier."
After you have written down the date, you can move on to the body paragraph that contains your intention to apply for job. Things you would state include your objective of joining the company? How can you enhance company's productivity? What is your previous experience in the field you are applying for? What is your academic background and how it can help you in your job? Lastly you can list down basic skills and experiences that you have attained from previous jobs, if any.