1971 Senate Bill 0178. An Act Providing That A Certain Physical Condition Or Disease Resulting In Total Or Partial Disability Or Death To Fire And Police Signal Maintenance Repairmen, Who Are Full Time Paid Employees Of The Cities And Towns Of The Commonwealth Of Massachusetts, Working On Municipally Owned Fire And Police Signal Systems, Shall Be Presumed To Have Been Suffered In The Line Of Duty With Reference To The Accidental Disability Retirement Law.