Top kill, robots, container domes, riser insertion tubes, and now back to more robots.
I'm an early riser, so I often work the morning shift and seldom get woken up by the blast.
late 14c., "rebel," agent noun from rise (v.). Meaning "one who rises" (from bed, in a certain manner) is mid-15c. Meaning "upright part of a step" is from 1771.