Question

mj: post - processing
use the information below to answer the question.
like all 3d printing processes, there is post - processing that needs to be done. firstly, the support structure must be removed, usually done by a third party. the support material is dissolvable in water with an ultrasonic bath. the final post - processing step before shipping it is to soak it in sodium hydroxide.
surface finish

• sanding is optional, as it already has a good finish.
• the print can be painted for additional color.
• water dyes are an option to add some color to clear or translucent parts.
• adding a clear coat gives it a bit more structural strength.
• electroplating is also an option to put a metal coating on the project.

the support structure for material jetting prints is dissolvable in water with what?
an acetone mixture
a pressurized seal
an ultrasonic bath
a sodium base

Explanation:

The text states that the support material for Material Jetting prints is dissolvable in water with an ultrasonic bath.

Answer:

an ultrasonic bath