Stage machinery can be classified in various ways; common methods include categorization based on spatial location, function or specific characteristics, and form of motion.
Stage machinery includes: above-stage machinery, under-stage machinery, stage lifts, telescopic stages, revolving stages, movable proscenium arches, lighting cages, lighting battens, bi-parting curtain systems, cinema screen frames, lifting systems, motorized battens, dual-output-shaft motorized battens, single-output-shaft motorized battens, single-layer drum-type motorized battens, dual manual/electric stepless-speed curtain machines, variable-frequency curtain machines, and motorized bi-parting curtain machines.
Flame-retardant stage curtains include: the Grand Drape (Main Curtain), Second Curtain, Meeting Curtain, Scrim, Cyclorama, and Horizontal/Side Borders.