And for missing any material, click Ignore All. Let's repeat, click to Append. This time I want you to grab MECHANICAL, hold down the Control key, select SPRINKLER and STRUCTURAL. Notice you don't have to bring in the files individually. Click Open. We can ignore any items that are missing. And this will bring in our items. Notice that we have a structural grid showing. If you go to the View panel, uncheck Show Grid. Notice that the title is Untitled. To save this, simply click the Save button, and you can save it anywhere you'd like