The first advantage is . . . In industry . . . Three points about the geologic activity of wind and the development of landscapes in dry lands are relevant here. First . . . Clearly, a simple, straightforward topic sentence is usually the best way to introduce general background, examples, scenarios, arguments, or even to establish a direct linkage to the preceding paragraph.
Good writers use concrete and efficient topic sentences to control and unify their paragraphs.
If you use the topic sentence as a tool to organize your thoughts, your paragraph content will fall into place more readily. Transition Words What follows is a handy list of common transition words and their functions. If you open sentences appropriately with these words it will help your writing to flow. In short Finally Obviously First, Second, etc.