Original sentence: Additionally, video cameras give the opportunity to see a "sneak preview" of the scenes and how they will look when finished, enabling the animators to correct and improve them without having to complete them first.Computers and video cameras in traditional cel animation can also be used as tools without affecting the film directly, assisting the animators in their work and making the whole process faster and easier.Doing the layouts on a computer is much more effective than doing it the old original way
Edited sentence: Additionally, video cameras give the opportunity to see a "preview" of the scenes and how they will look when finished, enabling the animators to correct and improve upon them without having to complete them first.Computers and digital video cameras can also be used as tools in traditional cel animation without affecting the film directly, assisting the animators in their work and making the whole process faster and easier.Doing the layouts on a computer is much more effective than doing it by traditional methods