telecommunications infrastructure
manual transmission (gear selection done by hand)
SCO; SCO Group; Santa Cruz Operation
ripples made by fish (on the water's surface)
to vacuum; to clean with a vacuum cleaner
aqualung; Self-Contained Underwater Breathing Apparatus; SCUBA
buffer; shock absorber; damper unit
having a bad connection (phone call); unable to hear (the other person's voice); having a faint voice
Certificate for Students Achieving the Proficiency Level of Upper Secondary School Graduates; Japanese high-school equivalency examination
charging for in-game items; microtransaction
to be faded; to be hazy; to be blurred; to be out of focus
sending back; returning; referring a case (regarding juvenile crime) back to the public prosecutor