1 Results for "《 예약문의 OIO≡⑧④89≡83O⑥》레깅스룸견적よ레깅스룸ago레깅스룸メ강남레깅스룸eighty 선릉레깅스룸κ선릉레깅스⒲레깅스룸メｃ선릉레깅스룸literary"

In this period of isolation, I'm trying to build an oximeter with parts already in house. An oximeter is made by two leds and a photodiode.