Caves and their features form when rainwater follows the cracks or joints in the rock material, usually limestone or dolomite. The rainwater combined with carbon dioxide forms a weak acid called carbonic acid. This weak acid once in contact with the limestone begins to dissolve the limestone. This process slowly creates larger and larger crack and joints.
A service contract inventory assists an agency in better understanding how contracted services support the mission and operations and whether the contractorsâ skills are utilized in an appropriate manner.
The Defense Logistics Agency is preparing to contract out delivery of more than $10 billion worth of food to U.S. troops and other government personnel serving in Iraq, Afghanistan, Kuwait and Jordan. The solicitation is broken into two contracts -- one for Afghanistan for five years and another for Iraq, Kuwait and Jordan for four years.