Home » English riddles » Grounding » Grounding Riddle No.38 – NGR Selection » Reply To: Grounding Riddle No.38 – NGR Selection Reply To: Grounding Riddle No.38 – NGR Selection 2021-08-03 at 11:08 am #3211 Site manager You can refer to Machine Riddle No.15 , Grounding Riddle No.17,26,31.
