
    PRESTRESSED SYSTEMS, INC. and Underwriters Adjusting Company, Petitioners, v. Thomas JOHNSON and Florida Industrial Relations Commission, Respondents.
    No. 46814.
    Supreme Court of Florida.
    May 20, 1975.
   Certiorari denied.

ADKINS, C. J., and ROBERTS, BOYD, McCAIN and OVERTON, JJ., concur.  