Multi-select problem: How does the next paragraph end?

How to apply duracoat
Cover the surface where you will be working with newspaper.
Dis-assemble the entire firearm and clean all pieces thoroughly, making sure there is no trace of oil on any piece.
One of the best cleaners you can use for this job is mek or methyl ethyl ketone, an industrial solvent.

Select from the following. (a). Clean all parts as required : If you have one unaltered piece, you will want to remove it before installing duracoat on your weapon. Cover all parts, but not the whole piece. (b). According to citee's, you should wear gloves and a stock dust mask. Set the weapon on a angled surface, preferably the ground. (c). It is difficult to reuse sodium bicarbonate because of its carcinogenic properties. Clean off any dirt and cleaning products that may have soaked into the surface. (d). Pour mek into a disposable aluminum foil pan and soak the parts. If necessary, use air pressure, brushes or rags to reach every surface of the firearm.
(d).