Question

bj: printer characteristics
use the information below to answer the question.
the binder jetting (bj) printer is a combination of the sls machine and the material jetting machine. it has a powder bed, but it doesnt have a heat source. the print is made using a binding agent.
a binder jetting (bj) printer is a combination of which two types of machines?
the vat and stereolithography machines
the dlp and fused filament fabrication machines
the fff and sls machines
the sls and material jetting machines

Explanation:

The text clearly states that the Binder Jetting (BJ) printer is a combination of the SLS machine and the Material jetting machine.

Answer:

the SLS and Material jetting machines