951 A.2d 1167 (2008)
DRESSER MFG.
No. 109 WAL (2008).
DRESSER MFG.
v.
W.C.A.B. (HAAG).
No. 109 WAL (2008).
Supreme Court of Pennsylvania.
June 27, 2008.Disposition of petition for allowance of appeal. Denied.
Supreme Court of Pennsylvania.
June 27, 2008.Disposition of petition for allowance of appeal. Denied.