If you are making substantial changes or ones that you feel would be difficult to reverse, you may want to consider taking a database backup prior to making the changes as well.
He was angry that European Union leaders have not stopped Slovenia from blocking Croatia's EU accession talks over a trivial border dispute-but nobody thinks that merited his departure.
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
As for oil and gas workers, inject CO2 to the ground could not only cut down the discharge capacity of CO2, but also reuse CO2 which was considered to be a waste gas to enhanced oil recovery.