Negligence – Duty to take care. There had been no proper basis for the Court of Appeal of Trinidad and Tobago to reverse the judge's conclusion on aspect of the respondents' claim for damages from the appellant company in negligence or nuisance concerning emissions of hydrocarbon gasses alleged to have caused them pulmonary fibrosis and reactive airways disease. The Privy Council further held that it could not be accepted that the judge's findings on the medical evidence had been undermined by his failure to take account of material parts of the evidence.