The original Toyota 2.8L Engine.
Commonly known as an absolute bulletproof motor unsurpassed by any other four cylinder known to mankind.
The 3L is known to be kept as a backup motor to power the earths orbit should the LS1 motor already powering it fail.
Japanese real estate listing lingo for a western-style unit with three multipurpose rooms, a living room, a dining room, and a kitchen. The "LDK" part of the unit does not mean these are all separate rooms, but instead simply means the general purpose area of the unit is larger than a "DK" or a "K".