사용
소매점, 쇼핑몰, 환영 디스플레이, 셀프서비스 비즈니스, 전시실, 공항, 지하철, 교육, wedding, church, concert, festival celebrations, galas, product launche, exhibitions, show, stadium, theatres, auditoriums, lecture halls, multi-function halls, conference rooms, performance halls, discos, TV stations, auto shows, Cultural activities, weedings, concerts