Instead, the original low performance of resistance due to use for more than 20 years, a relatively new overhaul price h and is not 100% performance impact production directly, because there is not enough wind.
Resistance instead of the original performance. Because through its use for over 20 years. prices relatively high and performance is not a new overhaul. 100% direct impact on production due to inadequate airflow.
Bear instead of the original efficiency is low. Because through the use of more than 20 years price is quite high and new overhaul efficiency. 100% affect the direct production due to wind system is not enough.