Any mattress elevated higher than the surrounding floor have to have usage of or egress from it by motor vehicles or individuals facilitated by provision of ramped or stepped edges To date, EMAS installations are actually created to arrest multi crew transportation aircraft and these units don't do the job https://www.propanraya.com/raih-emas-logam-mulia-gratis-melalui-promo-semangat-45-tahun-propan