Urine Transparency. Freshly voided urine is clear and transparent. Cloudy urine may be caused by crystals, deposits, white cells, red cells, epithelial cells or fat globules. Further evaluation with centrifugation, microscopic examination, heating or with ether generally determines the cause of the turbidity.rine Transparency. Freshly voided urine is clear and transparent. Cloudy urine may be caused by crystals, deposits, white cells, red cells, epithelial cells or fat globules. Further evaluation with centrifugation, microscopic examination, heating or with ether generally determines the cause of the turbidity.
An acoustic-electric guitar is a hybrid; it's a hollow-bodied instrument with pickups installed to amplify the vibrations of the guitar top and body. Acoustic-electrics start around $80-$250 for beginning models, run $250-$900 for better quality and can run $1,000-$5,000 or more. A twelve-string acoustic guitar has pairs of strings that are strung close together and played as a single string.
1 TheoryLessons.com offers free online written lessons and FreeGuitarVideos.com provides free video lessons. 2  There's a wide range of online guitar lesson services selling books, CDs, DVDs or webcam classes for $20-$50 or more, or $5-$10 to learn individual songs. Group guitar classes range from $40-$80 or more a month, depending on the number of students, the length of sessions and the qualifications of the instructor.