Exporting clips separately in single timeline

Hello dear community members,

I'm a beginner FCP(10.6.2) user -beginner editor also-

I'm trying to cut feature films(a .mov/.mp4 file) scene by scene, then shot by shot. Then I'm exporting them one by one. This process is extremely time consuming.

I'm wondering, is there a method or workflow for completing this task in less amount of time. For example, cutting or marking starting and ending points of scenes/shots in timeline when I'm working with one clip(feature film) and then to export them as individual video files.