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The temperature of tap water should not exceed 38–45 °C (100–113 °F) to prevent discomfort and scalding. [2] However, it is necessary to keep warm water at a temperature of 55–60 °C (131–140 °F) to inhibit the growth of legionella bacteria.
Scalding is a type of thermal burn caused by boiling water and steam, commonly suffered by children. Scalds are commonly caused by accidental spilling of hot liquids, having water temperature too high for baths and showers, steam from boiling water or heated food, or getting splattered by hot cooking oil. [4]
Biodiesel production is the process of producing the biofuel, biodiesel, through the chemical reactions of transesterification and esterification. [1] This process renders a product (chemistry) and by-products. The fats and oils react with short-chain alcohols (typically methanol or ethanol). The alcohols used should be of low molecular weight.
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In biodiesel it says oil palm produces 5940 litres per hectare (635 USgal/acre) of palm oil each year. To make 180 billion US gallons (680,000,000 m 3) of vegetable oil each year would require 1,150,000 square kilometres (440,000 sq mi) or a square of land 1,070 kilometres (660 mi) on a side. "The gradual move from oil has begun.
Scalding is caused by hot liquids or gases and most commonly occurs from exposure to hot drinks, high temperature tap water in baths or showers, hot cooking oil, or steam. [31] Scald injuries are most common in children under the age of five [2] and, in the United States and Australia, this population makes up about two-thirds of all burns. [4]
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The following table shows the vegetable oil yields of common energy crops associated with biodiesel production. Included is growing zone data, relevant to farmers and agricultural scientists. This is unrelated to ethanol production, which relies on starch, sugar and cellulose content instead of oil yields.