
    UNITED STATES CONCRETE PIPE COMPANY et al., Petitioners, v. Jack R. ARNOLD et al., Respondents.
    No. 40929.
    Supreme Court of Florida.
    April 29, 1971.
    Rehearing Denied June 7, 1971.
   Certiorari denied.

ROBERTS, C. J., and ERVIN, BOYD, McCAIN and DEKLE, JJ., concur.  