Dark Flow, Depression and Multiline Slot Machine Play | Journal ...
(2014a), (2014b) investigated whether players preferred multiline slot machines over single-line machines and how players interacted with the different machines.
What is a Single-Line Diagram and What is It Used For? | Sunbird DCIM
A single-line diagram (also known as an SLD or one-line diagram) is a simplified representation of an electrical system. Symbols and lines are used to represent the nodes and connections in the system, and electrical characteristics may be included as well. In a data center, a single-line diagram is used to visualize the power distribution system to improve planning and
Slot machine - Wikipedia
Free casino slot players can choose to play on single dollar paylines, or multi-line paylines that offer different winnings.