Sentence:  By submerging the patient in a tub and rotating the transducer while the scanning goes on , they have been <WSD>able</WSD> to get cross-section views of the neck , as shown in Fig. 7 , as well as many other hitherto impossible insights . 
Meaning of the word marked with <WSD> tags:  (usually followed by `to') having the necessary means or skill or know-how or authority to do something