The second international building and construction technology, materials exhibition would be organised from May 24. An announcement here on Sunday said that the inaugural ceremony of three-day event would be held at the Expo Centre Lahore in collaboration with STONECA-the stone expo. According to the organisers the construction industry is the backbone of the economic growth of any region throughout the world as it engages the socio economic development factors improving infrastructure and creating employment opportunities. They said that the construction industry in Pakistan is an ever growing sector which propels the economy towards designing a better infrastructure and even better investment possibilities. STONECA-the stone expo, opens a new chapter for the industrial developments of stone industry in Pakistan. The event is jointly organised by All Pakistan Marble Industries Association and supported by Pakistan Stone Development Company (PASDEC).