Which of the following statements is NOT true according to the passage?A.With the help of
Which of the following statements is NOT true according to the passage?
A.With the help of PSAs, NASA astronauts can deal with many affairs in the space shuttle or space station more easily.
B.PSAs are mechanical devices which can float all over the space station without any collision.
C.PSAs works only under the voice or radio commands of astronauts.
D.PSAs can track inventories if "smart" identification tags are added to inventory items.