 <translate> Grinding stones in poor conditions do not necessarily mean they are working in the stone quarry.
The answer: it is not possible to tell. <yor> Ṣíṣe àwọn òkúta gbígbẹ ní ipò tí kò dára kò fi dandan túmọ̀ sí pé wọ́n ń ṣiṣẹ́ ní ibi tí wọ́n ti ń wa òkúta. Ìdáhùn rẹ̀ ni pé kò ṣeé ṣe láti sọ. 