Heavy - Active for much of the day, walking non-stop and carrying objects. Typical jobs: shop assistant, teacher, chef/cook, bar worker, engineer. Moderate - On your feet for much of the day, either standing or occasional slow paced walking. Typical jobs: office worker, sales rep, bus/taxi/lorry driver. Light - Have a job that involves long periods of sitting (office-based / driving) or are home-based and sitting for much of the day.
