Jalousie window area. Historically made only of wooden slats or glass panes, they are well suited to mild-winter climates. With mass production they became very common throughout homes in mid-20th-century Florida, Hawaii, southern California, the deep South, and Latin America. In cooler regions they were rapidly adopted to porches and sunrooms. They were also widely used in mobile homes during the 1950s and 1960s before most manufacturers began switching to sliding and sash windows in subsequent decades. Modern jalousie windows may be high-performance architectural windows, and some have even been featured in buildings which received awards for excellence in residential design and
Types of volcanic eruptions Types of volcanic eruptions Several types of volcanic eruptions—during which lava, tephra (ash, lapilli, volcanic bombs and volcanic blocks), and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. There are three different types of eruptions. The most well-observed are magmatic eruptions, which involve the decompression of gas within magma that