Cymbals belong to the percussion section of an orchestra. Cymbals have, relative to other instruments in an orchestra, an unique timbre which allows them to be heard through the most loudest orchestrations.
The cymbals are part of the percussion section.
Vocals are their own section in an orchestra
Trumpets are in Brass Section of an Orchestra.
The String Section
The string section.
The harp is a solo string instrument, BUT it belongs to the percussion family in the orchestra, as it is used mostly for special effects.
Low Bass
Trumpet is in the brass section.
Woodwind, as far as I know.
It is part of the string section in a symphonic orchestra.
The humble triangle rightly belongs to the percussion section.
"Wind" because you put your lips adjacent to the opening and blow softly across it causing the wind inside the tube to vibrate.