Write the next sentence in the following story.

How to remove paint from car parts
Evaluate the parts from which you need to remove paint.
If they are delicate or very expensive and you do not have many tools, it is a good idea to take the parts to a specialist for restoration.
Choose your work area.

[a]. It must be well ventilated, since chemical stripper is very toxic if used in a small, closed workspace. Make sure it is also in the shade, because the chemicals may evaporate too quickly in the sun..
[b]. Clean the area thoroughly with soapy water, cleaning solution, and detergent. ( make sure you can access all of the paint while it is being repaired..
[c]. Depending on the type of car you have, you may need to work outside or in the attic area. If you want to paint outside, most of the best works before you do..
[d]. You may either use a shop vac to remove rust or a paint brush for abrasive surfaces. Spray-paint works perfectly because it has a heavy duty cad coating or wider surface coverage that makes it washable... The answer should be
[a].