A Plant Manager is a person responsible for overseeing the operations of a plant. They are typically in charge of managing staff, ensuring safety regulations are followed, and making sure production goals are met. The term 'HOE' is a three letter acronym for 'Head of Establishment, ' which is another name for a Plant Manager. A BOTANIST is an eight letter term for a scientist who specializes in the study of plants. Botanists typically conduct research on plants, their structure, growth, diseases, and classification.