KORLEY v. STATE CONSTRUCTION CORPORATION Negligence—Duty of care—Employer's liability—Employer's duty of care to employee and consequences of breach of common law duty—Scope of duty—K, an experienced carpenter sustaining injuries when a wall fell on him  when dismantling prefabricated building for employees—Accident caused by failure to support sides of building with boards—Employer aware of perils of job but neither instructing workers that supports be used nor providing boards—Whether employer exempted from duty of care by fact that employees experienced workers—Employer liable in negligence—Workmen's Compensation Act 1963 (Act 174).