tujuh meterJakarta (ANTARA) - Badan Meteorologi Klimatologi dan Geofisika (BMKG) mengeluarkan peringatan dini gelombang tinggi hingga tujuh meter di Laut Natuna Utara,In this article, we'll explore 7 items you can use to compare with a length of 7 meters so you can gauge that distance even when you're blindfolded!