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.
As used in this subpartâ. âDelivery-order contractâ means a contract for supplies that does not procure or specify a firm quantity of supplies (other than a minimum or maximum quantity) and that provides for the issuance of orders for the delivery of supplies during the period of the contract.a) This subpart prescribes policies and procedures for making awards of indefinite-delivery contracts and establishes a preference for making multiple awards of indefinite-quantity contracts. (b) This subpart does not limit the use of other than competitive procedures authorized by Part 6.