multi-effects multi-element multi-employer multi-engine aircraft multi-ethnic multi-ethnic country multi-ethnic society multi-ethnic state multi-ethnicity multi-faceted multi-faceted approach multi-factor multi-factor authentication multi-faith multi-family multi-family buildings multi-family dwellings multi-family homes multi-family house multi-family housing multi-family office multi-fiber multi-filament multi-fold multi-frequency multi-fuel multi-function multi-function button multi-function display multi-functional multi-functions multi-generational multi-hand multi-hazard multi-head multi-hop multi-industry multi-institutional multi-instrumentalist multi-instrumentalists multi-issue multi-jurisdictional multi-lane multi-language multi-language support multi-layer multi-layer coating multi-layer film multi-layer films multi-layer structure multi-layered multi-layered approach multi-level multi-level governance multi-level marketing multi-level security multi-line multi-lingual multi-link multi-material multi-media multi-member multi-member constituencies multi-meter multi-million multi-million dollar multi-million dollar business multi-million dollar industry multi-million pound multi-million-dollar multi-millionaire multi-mission multi-modal multi-modal transport multi-modal transportation multi-mode multi-model multi-monitor multi-national multi-national companies multi-national company multi-national corporations multi-nationals multi-objective multi-objective optimization multi-organ multi-organ failure multi-output multi-pack multi-packs multi-page multi-paradigm multi-parameter multi-part multi-partner multi-party multi-party democracy multi-party elections multi-party political