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  2. Rust - Wikipedia

    en.wikipedia.org/wiki/Rust

    Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous iron(III) oxides (Fe 2 O 3 ·nH 2 O) and iron(III) oxide-hydroxide (FeO(OH), Fe(OH) 3 ), and is typically associated with the corrosion of refined iron .

  3. States and towns consider banning gas-powered leaf blowers ...

    www.aol.com/news/states-towns-consider-banning...

    The Smart Energy Design Assistance Center calculates that in 600 hours of use and with gasoline at $4.50 per gallon, a gas mower will use $3,200 worth of gasoline, whereas using an electric mower ...

  4. Leak - Wikipedia

    en.wikipedia.org/wiki/Leak

    Water leakage. Types of leak openings include a puncture, gash, rust or other corrosion hole, very tiny pinhole leak (possibly in imperfect welds), crack or microcrack, or inadequate sealing between components or parts joined together. When there is a puncture, the size and shape of the leak can often be seen, but in many other cases, the size ...

  5. Pitting corrosion - Wikipedia

    en.wikipedia.org/wiki/Pitting_corrosion

    The process of pit nucleation is initiated by the depassivation of the protective oxide layer isolating the metal substrate from the aggressive solution. The depassivation of the protective oxide layer is the less properly understood step in pitting corrosion and its very local and random appearance probably its most enigmatic characteristic.

  6. Red plague (corrosion) - Wikipedia

    en.wikipedia.org/wiki/Red_plague_(corrosion)

    Red plague is an accelerated corrosion of copper when plated with silver.After storage, damage or use in high-humidity environment, cuprous oxide forms on the surface of the parts.

  7. Gas leak - Wikipedia

    en.wikipedia.org/wiki/Gas_leak

    Gas leaks can damage or kill plants. [4] [5] In addition to leaks from natural gas pipes, methane and other gases migrating from landfill garbage disposal sites can also cause chlorosis and necrosis in grass, weeds, or trees. [6] In some cases, leaking gas may migrate as far as 100 feet (30 m) from the source of the leak to an affected tree. [7]

  8. Cathodic protection - Wikipedia

    en.wikipedia.org/wiki/Cathodic_protection

    Aluminum sacrificial anodes (light colored rectangular bars) mounted on a steel jacket structure. Zinc sacrificial anode (rounded object) screwed to the underside of the hull of a small boat. Cathodic protection ( CP ; / k æ ˈ θ ɒ d ɪ k / ⓘ ) is a technique used to control the corrosion of a metal surface by making it the cathode of an ...

  9. Rust (fungus) - Wikipedia

    en.wikipedia.org/wiki/Rust_(fungus)

    The spores of rust fungi may be dispersed by wind, water or insect vectors. [13] When a spore encounters a susceptible plant, it can germinate and infect plant tissues. A rust spore typically germinates on a plant surface, growing a short hypha called a germ tube. This germ tube may locate a stoma by a touch responsive process known as ...

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