The General Presidency for the Affairs of the Grand Holy Mosque and the Prophet's Holy Mosque, represented by the technical and operational affairs agency, increased the operational capacity for the assets of the Grand Holy Mosque and its facilities through packs of works related to technical and operational services offered for visitors of the Grand Holy Mosque. It increased its preparedness to welcome visitors in the coming period through updating electrical, mechanical and electronic elements. The agency has prepared special areas designated for praying and tawaf (circumambulation), followed up on the implementation of work orders to operate and maintain electronic, electrical and mechanical systems at the Grand Holy Mosque and its facilities. The presidency seeks to cover all maintenance works at the Grand Holy Mosque through preparing plans, inspecting 8,000 speakers, 32,000 lighting units, 200 escalators, 259 fire extinguishers, water tankers with a capacity of 1,500 square meters, 3,400 toilets, and sterilization and cooling systems for Zamzam water.