A doffer is someone who removes bobbins, pirns or spindles holding spun fiber such as cotton or wool from a spinning frame and replaces them with empty ones. Historically, spinners, doffers, and sweepers each had separate tasks that were required in the manufacture of spun textiles. From the early days of the industrial revolution, this work, which requires speed and dexterity rather than strength, was often done by children. After World War I, the practice of employing children declined, ending
For a plant organ to bend in response to a stimulus, differential growth of cells on either side of the organ is required. For example, for the stem of a plant to bend toward a light source, cells on the shaded side of the stem near the shoot tip must elongate faster than cells on the lighted side.
Plants. Tasmania is a relatively small, mountainous island geographically isolated from mainland Australia. Its large variety of habitats has resulted in a diverse and unique array of plant species that includes flowering plants, conifers, mosses, liverworts, lichens, fungi and algae.andani. Pandani is found only in Tasmania and is the largest heath plant in the world. Although it resembles its namesake, the pandanus palm of tropical and South-East Asia, the pandani is in no way related to it.