Jalousie window of the house to increase security and prevent the slats from falling out. They are currently the only jalousie window in the United States certified to withstand a Category 5 Hurricane. Many companies manufactured jalousie windows during the 20th century, and there are multiple surviving examples of advertisements from this period which demonstrate how the windows were marketed to consumers. The advertisements tended to stress how jalousie windows provide ventilation, privacy, rain-proofing, and an extra room in winter. Companies like StormMaster claimed their jalousies provided "winter warmth and summer comfort." Others, like Ludman WindoTite, promoted their product by declaring how
Types of plant oils means of extracting essential oils. In this process, used, for example, to extract the onion, garlic, wintergreen and bitter almond essential oil, the plant material is macerated in warm water to release the volatile compounds in the plant. Types of plant oils Plant oils or vegetable oils are oils derived from plant sources, as opposed to animal fats or petroleum. There are three primary types of plant oil, differing both the means of extracting the relevant parts of the plant, and in the nature of the resulting oil: Vegetable fats and oils are what are most commonly called vegetable oils.