Additionally, you can bookmark the post to refer back to it—click the bookmark ribbon in the top right of the post. For example, if you are already in the Construction subcategory of the Safety & Heal...Additionally, you can bookmark the post to refer back to it—click the bookmark ribbon in the top right of the post. For example, if you are already in the Construction subcategory of the Safety & Health discussion board, you will be adding a post directly to the Construction subcategory; thus, the category is already determined.