Hence when useful work can be obtained from a system by simply connecting visible portions of it by a train of mechanism, such energy is more readily recognized than is that which would compel us to control the behaviour of molecules before we could transform it into useful work.
When he reached his room both of the connecting doors were still open.
He then carried Cynthia Byrne's limp but still drenched and shivering body through the connecting door to her bed and laid her on one of the towels.
They were connecting the dots now, drawing the boundaries of their relationship.
This requirement is usually met by connecting a third or " test " wire to each of the jacks associated with a subscriber's line, and by making the circuit arrangements such that this wire is either disconnected or at earth potential when the line is not in use, and at some potential above or below that of the earth, when the circuit is engaged.