What is the difference between additive and subtractive manufacturing? Select the correct statements below to show your understanding:

Question $8$ options:

Subtractive manufacturing is when material is removed from the work piece, such as on the drill press, lathe or mill. This is the type of manufacturing performed in these labs

Subtractive manufacturing is when a work piece is built up from smaller pieces or in layers, as in $3$D printing

Additive manufacturing is when a work piece is built up from smaller pieces or in layers, as in $3$D printing

Additive manufacturing is performed on a CNC milling machine