Systems and methods of asynchronous interactive game play are described. A method includes receiving a solid model. For example, the network address can include an encrypted key that contains information about the organization that created content and the specific distribution ID for delivering the content when requested by the third party using the address. The rotation of the brush element is governed by a uniform rotation resistance designed into the rotational connector to serve the dual objectives of rotationality and maintaining rotational position of the brush element when the brush is in use after rotation of the brush element. The ferrochrome material, the nickel-containing material, and the boron-containing material is combined together to form a mixture, and the composite carbide-boride powder is generated from the mixture. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency.