A professional who tends equipment that saturates continuous sheet of felt paper with asphalt to serve as carrier or backing for hard-surface floor coverings. Respnsibilities include:

• Adjusts panelboard controls to pump and maintain specified level of asphalt in tank.
• Regulates machine to compensate for variations in penetration of saturant, according to visual examination, or as indicated on control panel gauge.
• Adjusts guides to align felt paper feeding through machine, using handtools.
• Examines continuous sheet of felt paper to detect tears or breaks as material passes through machine.