NATIONAL SAVINGS AND CREDIT BANK v. MENSAH Bailment—Bailment for reward—Liability of bailee—Negligence basis of liability—Nature of duty of care on bailee—Storage of goods—Extent of bailee's obligation with respect to building—Plaintiff’s goods destroyed in defendants' warehouse by fire—Admission by parties that building had been in good order—Fire not caused by negligence of defendants—Judge speculating fire caused by exposed wiring—No evidence of defendants having knowledge of any defect in building—Whether defendants liable in damages.