A cleaning apparatus (10, 100), comprising: a cleaning chamber; a table rotation shaft having a hollow shape, the table rotation shaft configured to rotate about a first axis; a first swivel fitting including a first swivel housing rotatably disposed inside the table rotation shaft, a first swivel shaft disposed inside the first swivel housing, the first swivel shaft being restricted from rotating, a first annular flow path disposed between the first swivel housing and the first swivel shaft, a first flow path connecting the first annular flow path and a valve, the first flow path disposed in the first swivel shaft, and a second flow path connecting the first annular flow path and a fluid cylinder, the second flow path disposed in the first swivel housing; a table disposed inside the cleaning chamber and fixed to the table rotation shaft, the table on which a cleaning workpiece configured to be placed; a first motor configured to rotate the table rotation shaft; a clamping device including the fluid cylinder, the clamping device disposed on the table; a working fluid source; the valve connected to the working fluid source; a propeller shaft configured to rotate about a second axis that is parallel to the first axis; a cleaning fluid source; a second swivel fitting including a second swivel housing disposed at an end of the propeller shaft inside the cleaning chamber, the second swivel housing being restricted from rotating, a second swivel shaft disposed inside the second swivel housing, the second swivel shaft configured to rotate integrally with the propeller shaft, a second annular flow path disposed between the second swivel housing and the second swivel shaft, a third flow path connecting the second annular flow path and the cleaning fluid source, the third flow path disposed in the second swivel housing, and a fourth flow path connecting the second annular flow path and a first nozzle, the fourth flow path disposed in the second swivel shaft; and the first nozzle configured to rotate integrally with the second swivel shaft inside the cleaning chamber, the first nozzle configured to eject a first cleaning fluid in a direction different from the second axis toward the cleaning workpiece. a cleaning chamber; a table rotation shaft having a hollow shape, the table rotation shaft configured to rotate about a first axis; a first swivel fitting including a first swivel housing rotatably disposed inside the table rotation shaft, a first swivel shaft disposed inside the first swivel housing, the first swivel shaft being restricted from rotating, a first annular flow path disposed between the first swivel housing and the first swivel shaft, a first flow path connecting the first annular flow path and a valve, the first flow path disposed in the first swivel shaft, and a second flow path connecting the first annular flow path and a fluid cylinder, the second flow path disposed in the first swivel housing; a first swivel housing rotatably disposed inside the table rotation shaft, a first swivel shaft disposed inside the first swivel housing, the first swivel shaft being restricted from rotating, a first annular flow path disposed between the first swivel housing and the first swivel shaft, a first flow path connecting the first annular flow path and a valve, the first flow path disposed in the first swivel shaft, and a second flow path connecting the first annular flow path and a fluid cylinder, the second flow path disposed in the first swivel housing; a table disposed inside the cleaning chamber and fixed to the table rotation shaft, the table on which a cleaning workpiece configured to be placed; a first motor configured to rotate the table rotation shaft; a clamping device including the fluid cylinder, the clamping device disposed on the table; a working fluid source; the valve connected to the working fluid source; a propeller shaft configured to rotate about a second axis that is parallel to the first axis; a cleaning fluid source; a second swivel fitting including a second swivel housing disposed at an end of the propeller shaft inside the cleaning chamber, the second swivel housing being restricted from rotating, a second swivel shaft disposed inside the second swivel housing, the second swivel shaft configured to rotate integrally with the propeller shaft, a second swivel housing disposed at an end of the propeller shaft inside the cleaning chamber, the second swivel housing being restricted from rotating, a second swivel shaft disposed inside the second swivel housing, the second swivel shaft configured to rotate integrally with the propeller shaft, a second annular flow path disposed between the second swivel housing and the second swivel shaft, a third flow path connecting the second annular flow path and the cleaning fluid source, the third flow path disposed in the second swivel housing, and a fourth flow path connecting the second annular flow path and a first nozzle, the fourth flow path disposed in the second swivel shaft; and a third flow path connecting the second annular flow path and the cleaning fluid source, the third flow path disposed in the second swivel housing, and a fourth flow path connecting the second annular flow path and a first nozzle, the fourth flow path disposed in the second swivel shaft; and the first nozzle configured to rotate integrally with the second swivel shaft inside the cleaning chamber, the first nozzle configured to eject a first cleaning fluid in a direction different from the second axis toward the cleaning workpiece.