unloading the film造句

When loading and unloading the film rolls, he intentionally exposed them to sunlight and created reel-end flares to emphasize " the materiality of film ".
Based on the simple idea that loading and unloading the film in a camera ought to be a one-step process, the development of the drop-in film cartridge and a line of easy-to-use cameras for it created a phenomenon.
It's difficult to find unloading the film in a sentence. 用unloading the film造句挺难的