Hydraulic fracturing was first used to recover natural gas and oil in 1947. Halliburton was the first company to use it commercially in 1949. Today, fracking is used to stimulate thousands of oil and gas wells each year, worldwide.ydraulic fracturing was first used to recover natural gas and oil in 1947. Halliburton was the first company to use it commercially in 1949. Today, fracking is used to stimulate thousands of oil and gas wells each year, worldwide.
Clarithromycin is primarily used to treat a number of bacterial infections including: pneumonia, C pneumonae, Helicobacter pylori and as an alternative to penicillin in strep throat.
Azithromycin is used to treat certain bacterial infections in many different parts of the body. This medicine may mask or delay the symptoms of syphilis. It is not effective against syphilis infections. Azithromycin belongs to the class of drugs known as macrolide antibiotics.zithromycin is used to treat certain bacterial infections in many different parts of the body. This medicine may mask or delay the symptoms of syphilis. It is not effective against syphilis infections. Azithromycin belongs to the class of drugs known as macrolide antibiotics.