POWER OF ATTORNEY
FOR EXECUTING FORMS 3, 4 AND 5

	Know all by these present, that the undersigned hereby constitutes
and appoints each of Andrew B. Nace, Jane R. Grimm, Alexis A. Thomason and
M. Paige Savage, signing singly, his/her true and lawful attorney-in-fact to:

1. execute for and on behalf of the undersigned Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934, as
amended (the "Act"), and the rules thereunder;

2. do and perform any and all acts for and on behalf of the undersigned that
may be necessary or desirable to complete the execution of any such Forms 3,
4 or 5 and the timely filing of such form with the United States Securities
and Exchange Commission and any other authority; and

3. take any other action of any type whatsoever in connection with the
foregoing that in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it
being understood that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in
such form and shall contain such terms and conditions as such attorney-
in-fact may approve in his/her discretion.

	The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform all and every act and thing
whatsoever requisite, necessary and proper to be done in the exercise of
any of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present, with
full power of substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or his/her substitute or substitutes,
shall lawfully do or cause to be done by virtue of this Power of Attorney
and the rights and powers herein granted.  The undersigned acknowledges
that the foregoing attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming any of the undersigned's
responsibilities to comply with Section 16 of the Act.

EXECUTED as of May 18, 2022.

/s/ R. Gerald Turner Signature

R. Gerald Turner Printed Name