hat
■ li kapab aplike nan reyinyon chanm yo, chanm konferans, mize, galri, teyat, koulwa konsè, legliz, tanp, restoran, sal klas, sant fòmasyon, nan faktori, bank yo, tren, otobis ak plis ankò
eng
■it can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more