Bouzouki manner of a Neapolitan mandolins so as to increase the strength of the body to withstand thicker steel strings. The type of the instrument used in Rembetika music was a three-stringed instrument, but in the 1950s a four-string variety by Manolis Chiotis was introduced. From a construction point of view, the bouzouki can have differences not only in the number of strings but also in other features, e.g. neck length, width, height, depth of the bowl or main body, the width of the staves (the wooden gores or slices of the bowl) etc. These differences are determined by the manufacturer,
Guqin strings manufacture situation of silk strings is not. Throughout the ages, particularly the political disturbances of the twentieth century as well as the popularity of the metal-nylon strings, has seen silk string manufacture decline. Plus the difficulty in obtaining the best quality silk and the difficulty in obtaining a high quality throughout has brought about only short phases now and again of silk string manufacture. There has been efforts to produce silk strings to the quality and standard that they were before the disruptions. Wong Shu-chee led the first serious undertaking to produce good quality silk strings around the turn of