The particular combination of equipment chosen for mercury reduction at a particular facility is largely determined by the existing equipment and conditions at the facility.
Equipment changes at any one facility for the purpose of mercury reduction are dependent upon equipment already installed their and conditions at the facility.
Sabeel Qait Bey, an ornate little 15th-century kiosk, shows the fine design and craftsmanship of the Mameluke period; from this kiosk, fresh water was served to visitors in earlier times.