An apparatus for manufacturing nonwoven fabric including a spinning nozzle, a fiber extension device, a receiver device and a sprinkler is provided. The template comprises a template blank shaped for accommodation by an amplifier control panel, the template blank having cut-outs or bores facilitating the application of the template to the amplifier control panel, and the subsequent operation of said control panel. The present invention also includes compositions for suspension in an aqueous acidic liquid comprising a protein material and a protein stabilizing agent that contains a high methoxyl pectin and a propylene glycol alginate. A printed circuit board electrically connects the laser diode.