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  2. Tamarillo - Wikipedia

    en.wikipedia.org/wiki/Tamarillo

    The tamarillo (Solanum betaceum) is a tree or shrub in the flowering plant family Solanaceae (the nightshade family). It bears the tamarillo, an egg-shaped edible fruit. [2] It is also known as the tree tomato, [3] tomate de árbol, tomate andino, tomate serrano, blood fruit, poor man's tomato, tomate de yuca, tomate de españa, sachatomate, berenjena, chilto and tamamoro in South America ...

  3. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

  4. Ripening - Wikipedia

    en.wikipedia.org/wiki/Ripening

    In fruit, the cell walls are mainly composed of polysaccharides including pectin. During ripening, a lot of the pectin is converted from a water-insoluble form to a soluble one by certain degrading enzymes. [11] These enzymes include polygalacturonase. [9] This means that the fruit will become less firm as the structure of the fruit is degraded.

  5. How Much Does It Cost to Replace a Water Heater? - AOL

    www.aol.com/lifestyle/much-does-cost-replace...

    If you opt for a gas-powered water heater, you'll need to install a venting system. There are two types of venting: direct or power. Direct-vent heaters are less expensive and use an exhaust pipe ...

  6. Anthocyanin - Wikipedia

    en.wikipedia.org/wiki/Anthocyanin

    Anthocyanins may be used as pH indicators because their color changes with pH; they are red or pink in acidic solutions (pH < 7), purple in neutral solutions (pH7), greenish-yellow in alkaline solutions (pH > 7), and colorless in very alkaline solutions, where the pigment is completely reduced. [57]

  7. Storage water heater - Wikipedia

    en.wikipedia.org/wiki/Storage_water_heater

    Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

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