Appeal from a decision which attributed decedent’s fatal coronary occlusion to his work activities, found to have “ entailed greater strain and exertion than the ordinary wear and tear of life”. The work effort, commencing at about 8:00 a.m. on the day preceding decedent’s death, consisted of unloading from a truck and carrying to private homes and apartments, in the course of house to house deliveries, eases of beverages weighing about 40 pounds each, two at a time being carried occasionally; and in carrying back to the truck, and at the end of the day unloading and carrying empty eases, normally two at a time, weighing from 10 to 15 pounds each. At about 3:00
