"The vents can and will clog up frequently, we don't really know why, but we just guess that the air brings stuff in and has trouble coming clean" Marro said, hands in his pockets while leaning against her desk, he seemed all too familiar with this. She stared at the vents, feeling curious and slightly scared, but oddly enough... ...ᏨᎾᎷᎰᎾᏒᎿ