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' According to the entry in Nihon Kokugo Daijiten , the meanings of the verb developed from an older meaning ' make straight . Five of nine animals receiving just the implant developed S. aureus infections within 3 days . Eight of 10 male rats fed Direct Blue 6 at a concentration of 1500 ppm and 7 of 9 female rats fed 3000 ppm of the dye developed hepatocellular carcinomas as compared with none in the matched control groups . The Department recommends that the wetland be developed on hydric soils , meet stringent planting and growth standards , provide ample buffers to protect it from future developments in the area , and be safeguarded by a conservation easement granted to a non-profit conservation group or public agency .