最高机密任务计划“不对公众开放”研究实验室，以首次捕捉最独特的实验室声音。结果：从分类和受限实验中记录的全新发声机器、隆隆声、室内音调和启动。
Top Secret missions were planned to “closed to the public” research laboratories to capture the most unique laboratory sounds for the very first time. The results: entirely new sounding machines, rumbles, room tones and start-ups recorded from classified and restricted experiments.
