Create a basic animation to show the smoke effect

Create a basic animation to show the smoke effect :-

1.In this animation on layer1 draw the factory diagram or graphic using line & rectangle tool as shown in the following diagram

2.select layer1 & click on the frame40 & press f6(Insert to keyframe) or right click on frame 40 & select(Insert a keyframe)

3.Insert a new layer i.e. layer2 from the Timeline then click on frame1 head & draw the small dot on to the factory pipe using  brush tool

4.Then click on frame 40 head & press f6(Insert keyframe) & draw a big dot using the brush tool

5.Then click on frame1 head & choose shape tween from the properties inspector option

6.Save your work (ctrl+s) & text the movie.