aerial

automobile

automotive

construction

copter

drone

engineering

equipment

facilities

factory

flight

flying

hangar

illumination

indoor

industrial

industry

inside

labourer

lamp

large

light

machine

man

manufacturing

mechanic

mechanical

metal

metalware

moscow

motion

mzsa

organization

people

plant

produce

production

quadcopter

quadrocopter

room

russia

special

technology

tool

worker

workshop