... wards so on. 2. provide necessary medical gas, electrical power for operation with output terminal.3. more space to put ... medical instruments, such as monitor, electric knives etc.4. made up by two rotating arms, gas-electrical tank, tray, drawers and ... ,modular design ,surface electrostatic powder painting,prevent corrosive ,easy to cleanbrake waydamping friction brake,to make sure without drifting ...