Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A Left: Three rectangular targets and three virtual hands, Right: Automatic messages after success or failure. B: Two sets of arrows which indicate the correct direction of movement of the three virtual hands. C: Each of the three falling objects should be caught by the corresponding hand.
