The joint, which turns two sets of solar panels for alignment with the sun, has been locked in a stationary position for weeks while engineers try to trace the source of unexpected vibrations.
Why are there two sets of control panels in the first place?
Two sets of custom made panels were placed on the back wall of Hertz, one set just above the audience and another set in the balcony.
Two sets of this EQA panel were tested for specific activity by two expert laboratories to confirm the quality of the samples after preparation.
The experimental data for model validation were collected during a test campaign on two sets of CFRP flat stiffened panels.
The display features seven sets of themed panels filled with text and photo reproductions of what became one of the most extensive and wide-ranging personal libraries of its time.
The left panel depicts the two sets of parameters (distances) used for tICA construction (see also Table 2), in the structural context of the transporter.
From the two sets of ratings provided by experts on each panel, we compiled a list of high priority targets for CDS.
Democrats on that earlier panel said they saw no inconsistency between Mr. Clarke's two sets of remarks.
