According to the Regulations on Safety Supervision of Special Equipment issued by the State Council, the so-called special equipment refers to boilers, pressure vessels (including gas cylinders), pressure pipes, elevators, lifting machinery, passenger ropeways, large amusement facilities and so on. \ x0d \ x0d \ boiler refers to the closed equipment that uses various fuels, electricity or other energy sources to heat the liquid to a certain parameter and bear a certain pressure, and its scope is defined as a pressurized steam boiler with a volume greater than or equal to 30L; Pressurized hot water boiler with outlet water pressure greater than or equal to 0. 1 MPa (gauge pressure) and rated power greater than or equal to 0. 1 MW; Organic heat carrier boiler. \ x0d \ x0d \ pressure vessel refers to the closed equipment that contains gas or liquid and bears a certain pressure, and its scope is defined as the fixed and mobile vessels of gas, liquefied gas and liquid with the maximum working pressure greater than or equal to 0. 1MPa (gauge pressure) and the product of pressure and volume greater than or equal to 2.5MPa L; Gas cylinders containing gas with nominal working pressure greater than or equal to 0.2 MPa (gauge pressure) and product of pressure and volume greater than or equal to 1.0 MPa L, liquefied gas and liquid with standard boiling point equal to or lower than 60℃; Oxygen cabin, etc. \ x0d \ x0d \ pressure pipeline refers to the tubular equipment used to transport gas or liquid under a certain pressure, and its scope is defined as gas, liquefied gas, vapor medium or flammable, explosive, toxic and corrosive, with the highest working temperature higher than or equal to the standard boiling point and the nominal diameter greater than 25mm. \ x0d \ x0d \ Elevator refers to mechanical and electrical equipment that is driven by power and uses boxes running along rigid guide rails or steps (steps) running along fixed lines to lift or transport people and goods in parallel, including manned (cargo) elevators, escalators and moving sidewalks. \ x0d \ x0d \ lifting machinery refers to the electromechanical equipment used for vertical lifting or vertical lifting and horizontal moving of heavy objects, and its scope is defined as elevators with rated lifting capacity greater than or equal to 0.5t; Cranes with rated lifting weight greater than or equal to 1t and lifting height greater than or equal to 2m, electric hoists with fixed bearing form, etc. \ x0d \ x0d \ Passenger ropeway refers to the mechanical and electrical equipment that is driven by power and uses flexible ropes to pull boxes and other vehicles to transport people, including passenger aerial ropeway, passenger cable car and passenger traction ropeway. \ x0d \ x0d \ Large-scale amusement facilities refer to facilities for carrying passengers for business purposes, and their scope is defined as large-scale amusement facilities for carrying people with a designed maximum running linear speed of 2m/s or a running height of 2m or higher from the ground. \ x0d \ x0d \ Special equipment includes its attached safety accessories, safety protection devices and facilities related to safety protection devices.