Lovasco's Case

The single member’s

“finding” (affirmed and adopted by the reviewing board) that “the claimant has failed to prove by a fair preponderance of affirmative evi*855dence that there was Serious and willful misconduct on the part of the employer which resulted in the injury” (see G. L. c. 152, § 28; O’Leary’s Case, 367 Mass. 108, 115-116 [1975]) was not contrary to law. See and compare Sciola’s Case, 236 Mass. 407, 413-414 (1920); Foster’s Case, 242 Mass. 386, 387-388 (1922); Durgin’s Case, 251 Mass. 427, 429-430 (1925); McCarthy’s Case, 314 Mass. 610, 611-612 (1943); Diaduk’s Case, 336 Mass. 5, 7…