929 A.2d 647 (2007)
R.K. BRIGGS ENTERPRISES, INC.
No. 138 EAL (2007).
R.K. BRIGGS ENTERPRISES, INC.
v.
W.C.A.B. (CLARK).
No. 138 EAL (2007).
Supreme Court of Pennsylvania.
August 2, 2007.Disposition of petition for allowance of appeal. Denied.