The term SPOOL was used simply because of it's function. Later on, the acronym was added to it. Thus, SPOOL is a backronym - as the acronym was added to merely fit the already-used term.
Mesopotamia.
Spool pins are used on sewing machines to hold the spool of thread. Most or vertical, some that are horizontal use a spool cap to secure the spool of thread. Some machine come with spool nets to cover the spool to ensure the thread enter the machine evenly. Some machines come with an extra spool pin that fits into a small hole on the top of the machine to hold a second spool of thread.
A spool of thread is very cheap. Spools of thread can be as cheap as a dollar or less a spool.
That spool is just the right size for my project.
A real reel is a genuine spool.
Emma Spool was created in 1982.
To wind a Ryobi weed wacker spool, first remove the spool from the trimmer. Then, wind the trimmer line around the spool in the direction indicated on the spool. Make sure to evenly distribute the line and avoid overlapping. Finally, reattach the spool to the trimmer and you're ready to use it.
If you are talking about a diff. A mini spool replaces the planetary gears in the diff centre. A full spool replaces the whole centre except the crown wheel.
To change the spool on an RTE 115 trimmer, first, ensure the trimmer is turned off and unplugged for safety. Remove the old spool by pressing the release tabs on the spool cover and lifting it off. Then, insert a new spool by aligning it with the spool holder and ensuring the line feeds through the eyelets. Finally, replace the spool cover securely, and the trimmer is ready for use.
a spoolcase is something that you use in sewing or when you sew you put the spool into a spoolcase but you must make sure the spool is filled up with thread then you can start sewing only if you have a long piece of thread in the spool!!
SPOOL Stands Simultanious Peripheral Operation Online. Lookz