• 口(mouth; mouth opening)

Three mouths combined together symbolize diverse kinds and varied qualities of merchandise.

• 艹(grass; plant)
• 监(supervise; monitor (for sound))

Plants and grass are carefully monitored to extract the precious blue-green color.

• 口(mouth; mouth opening)

Three mouths combined together symbolize diverse kinds and varied qualities of merchandise.

• 艹(grass; plant)
• 监(supervise; monitor (for sound))

Plants and grass are carefully monitored to extract the precious blue-green color.