Systems and methods evaluate material in rotary motion. The modular construction system uses modular discs which are configured to be coupled or connected together to form or develop any desired structure. The file is retrieved by a search engine searching with the one or more search terms. A vacancy data structure corresponding to the selected congested route section is populated. The interference cancellation signal generator preferably includes a novel programmable optical delay line that introduces a variable amount of optical delay to an optical signal derived from said transmit signal in addition to a thyristor-based sigma delta modulator that converts samples of the transmit signal to into a digital signal in the optical domain. The bioabsorbable structure is formed from braided filaments of materials such as PLA, PLLA, PDLA, and PGA and the graft is formed from materials such as PET, ePTFE, PCU or PU.