532 So.2d 178 (1988)
John E. FRIAR et al.
No. 88-C-1988.
John E. FRIAR et al.
v.
CATERPILLAR INC. et al.
No. 88-C-1988.
Supreme Court of Louisiana.
October 28, 1988.Denied.
Supreme Court of Louisiana.
October 28, 1988.Denied.