The traditional musical instrument consists of Kulintangan, gong, and many of small gongs (cf. Drum kits are frequently expanded with orchestral percussion such as timpani and gongs. It is the world's third largest manufacturer of cymbals, gongs, and metal percussion. The kulintang is played by striking the bosses of the gongs with two wooden beaters. The Roman engineer Vitruvius described early alarm clocks, working with gongs or trumpets. Temples had a "korng skor" ensemble (gongs and drums), as well as a pinpeat orchestra. Traditional music has instruments such as Gongs, kakula, lalove and jimbe. The smallest suspended gongs are played with bamboo sticks or even western-style drumsticks. Sumazau dance is usually accompanied by the beats and rhythms of seven to eight gongs. However, Mainland Asian gongs were never used in ensembles. It begins with two long drum rolls, which include the use of the gongs. Large chau gongs, called "tam-tams" have become part of the symphony orchestra. Giacomo Puccini used gongs and tam-tams in his operas. Paiste gongs are made from nickel silver. It is played by striking the bosses of the gongs with two wooden beaters.