If your crawl space is experiencing flooding of any kind, whether from a groundwater leak or from a plumbing failure, there are two important things you should keep in mind: 1  The flooding will not stop. 2  The flooding is causing damages that will require more expensive repairs later if it's ignored today.
Making the world better, one answer at a time. I'm assuming your looking for a password, a mixed case letter is a word that contains an upper case, and lower case letter. Example: Queen. I used Q as upper case and the rest as lower case. I'm assuming your looking for a password, a mixed case letter is a word that contains an upper case, and lower case letter. Example: Queen. I used Q as upper case and the rest as lower case.
Letter case is generally applied in a mixed-case fashion, with both upper- and lower-case letters appearing in a given piece of text. The choice of case is often prescribed by the grammar of a language or by the conventions of a particular discipline. In orthography, the upper case is primarily reserved for special purposes, such as the first letter of a sentence or of a proper noun, which makes the lower case the more common variant in regular text.