The Domain Eubacteria. Eubacteria, also know as true bacteria, are microscopic prokaryotic cells. Cyanobacteria, also called blue-green algae, are Eubacteria that have been living on our planet for over 3 billion years.
How a torque converter lockup works. The torque converter is a coupling between the engine and transmission of the vehicle. The purpose is to allow the vehicle to come to a stop, with the engine running. To do this something has to slip, and that is the torque converter. From this perspective, it acts much like an automatic clutch. A torque converter works by transferring power, through fluid motion.
Tap changer inside a transformer. A tap changer is a connection point selection mechanism along a power transformer winding that allows a variable number of turns to be selected in discrete steps.