How to add separate "list of symbols" when "list of abbreviations" is already produced by glossaries?

Question

My University's dissertation class uses glossaries to produces a "LIST OF ABBREVIATIONS". I want to use it to produce a second list, a simple "LIST OF SYMBOLS".

Can this be done with glossaries? How to do it?

---

Here is how my current jumble of latex files uses glossaries. First, the .cls file includes a \RequirePackage[nonumberlist, nopostdot]{glossaries}. Then, I add some lines to the preamble of the main.tex file:

\newacronym{fpga}{FPGA}{Field-Programmable Gate Array}
\newacronym{lqr}{LQR}{Linear Quadratic Regulator}

Then when I use \gls{fpga} and \gls{lqr} in my document, it does a fantastic job of inserting text and generating a list of abbreviations.

After digging through my jumble of files, I found that main.tex calls lists.tex which has the following code:

\phantomsection
\addcontentsline{toc}{chapter}{LIST OF ABBREVIATIONS}
\begingroup
\pagestyle{loastyle}
\makeatletter
\let\ps@plain\ps@normal
\makeatother
\vspace{0.07in}
\printglossary[style=grizz_glossary]
\addtolength{\textheight}{0.85in}
\newpage
\endgroup

It then goes back to .cls with this:

% Glossary
\newglossarystyle{grizz_glossary}{
\renewcommand{\glossaryname}{\vspace*{0.2in}LIST OF ABBREVIATIONS}
 % put the glossary in the tabular environment:  
 \renewenvironment{theglossary}%  
   {\noindent\begin{longtable}{p{1.13in}p{4.37in}}}{\end{longtable}}%  
 % have nothing after \begin{theglossary}:  
 \renewcommand*{\glossaryheader}{}%  
 % have nothing between glossary groups:  
 \renewcommand*{\glsgroupheading}[1]{}%  
 \renewcommand*{\glsgroupskip}{}%  

 \renewcommand*{\glossaryentryfield}[5]{  
        \glstarget{##1}{##2}\hfill & ##3\hfill \vspace{12pt}\\
 }   
}

I also need to run some perl, with the command makeglossaries main to get this to generate right.

What do I need to change? The documentation for glossaries is super involved, and some hints would help.

Related questions:

This one seems related but is very complicated, and requires hyperlinks.

Another One is close, but different enough that I don't know what to do.

Edit:

As suggested by @EladDen in the comments, How to combine Acronym and Glossary provides some valuable clues, but it is far too complicated. A good answer there is integrated and produces two lists from one set of data. I want to produce two separate lists from two separate data sets.

Spectifically, the "List of Abbreviations" will look like this:

FPGA Field-Programmable Gate Array
LQR Linear Quadratic Regulator

Whereas the "list of symbols" will look like this:

m Mass
F Force
a Acceleration

Again, I want to emphasize that they will come from a completely difference dataset. Perhaps there is a command \newsymbol in glossaries?