Molding machines, namely, parts, elements and/or components for use in automatic green sand molding machines and matchplate molding machines for use in foundries to produce quality castings, and air amplifiers for filling a flask of a molding machine by accelerating gravity-fed sand particles falling into the flask only by gravity by passing or routing the gravity-fed sand particles through and discharging from amplifier nozzles so that the accelerated sand particles are directed or charged t...