'obviously, during emergency.' Powell was eager now.
Exactly! It's personal initiative that's the problem. And during emergencies, when a human being is absent, personal initiative is used more than during ordinary times.Now,we want to watch Dave in an emergency, so we must create our own!
'You're right. Now what emergency can we create? "Rocks falling in a tunnel? Let's start.' Powell and Donovan moved slowly across the ro asteroid, kicking rocks to right and left and creating clouds of grey dust. We must be careful not to get too close to the robots, or they will become aware of us," Powell said. I now that,' Donovan replied shortly. "Down here." They were in the tunnels now. The starlight was gone, and only their torches lit the dark walls. Long minutes passed as they walked forwards. Powell held the detonator carefully. Suddenly, they felt a slight vibration in the rock walls. "We're near!' Then there was a movement ahead, the shine of metal across the end of the tunnel. They waited silently. "Let's turn along this tunnel on the right,' Donovan whispered after a moment. As they moved along the narrower tunnel on the right, the vibration became more noticeable.