Mechanical properties and extrusion tests not yet performed
Mechanical properties and extrusion tests have not yet been performed

or

Mechanical properties and extrusion tests have not been performed yet
Which sentence is correct?
Thanks in advance
Marco

Question

Mechanical properties and extrusion tests not yet performed
Mechanical properties and extrusion tests have not yet been performed

or

Mechanical properties and extrusion tests have not been performed yet
Which sentence is correct?
Thanks in advance
Marco

Answer

They are both OK, but the first sounds much better, as the sentence is somewhat formal and it makes it clearer that they will be performed, but it has yet to happen.