Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear. Specifically, it is an inflammation of the mucosal lining of the mastoid antrum and mastoid air cell system inside the mastoid process.
Extract: Government spending has increased substantially in recent years. Consequently, the breakeven oil price rose to $106 a barrel in 2014 from $69 a barrel in 2010. As a result, with the large decline in oil prices, the fiscal deficit has increased sharply and is likely to remain high over the medium-term.
Their contract prices for the food industry are usually between $75-$100/ton. The CO2 Market of Tomorrow The largest source of high purity CO2 for at least the next 4 decades will likely be natural gas wells. Depending on local requirements, delivered natural gas must have CO2 concentrations below 1-2%.