... system consists of a volume cylinder, a middle cylinder, 2 object cylinders, a funnel, a exhaust block, and a slice. The object ... “0”, take away the volume cylinder and exhaust block, screw the cylinder base on the operating bottom ... the volume cylinder’s slot, put the exhaust block on the slice, set the middle on ... cylinder and the contact surface of the exhaust block.(2). Keep the volume’s slot clean, ...