Man speaks at presentation of insulation of facades
Woman speaks at presentation of insulation of facades
Presentation of insulation of facades Caparol Carbon at factory
Man speaking to coworkers during presentation
Engineer Man Speak Oil Pump Presentation Petrochemical Production Looking Camera
Leadership Medical Doctor Man Speak Interview Presentation Speech Looking Camera
close up man right hand holding microphone blurred conference hall using mike fearing public speech rehearsal lecture urban being afraid oral speaking skills auditourium presentation macro shooting
blurred shooting background event concert blue lighting conference hall stage man blur talking speaker speech business light male people meeting presentation seminar auditorium show public space
Adult Man insulating attic with insulation material
1940s: Man on stage makes presentation. People sit and listen. Machine milks cow. Woman uses washing machine.
Man in glasses and ponytail is checking fallen insulation in crawl space (under house).