$\backslash$table$[[\backslash$table$[[$Legal$],[$Requirement$]],$Description$],[$Source A$,\backslash$table$[[-$ General Provisions for Tool and electrical$],[$hazards$],[-$ Provisions for Professional Engineer $($P$.$E$.)],[$designed formwork and reshores$],[-$ Structural Steel and Precast Concrete$],[$Assembly$],[-$ Cleaning, Repairing and Maintenance of Roof;$],[-$ Demolition$],[-$ Excavation works$]]],[$Source B$,\backslash$table$[[-$ Notification of Accident$/$Dangerous$],[$Occurrence$],[-$ Notification of Occupational Poisoning$/],[$Occupational Disease$],[-$ Register of Accident, Dangerous Occurrence,$],[$Occupational Poisoning and Occupational$],[$Disease$]]]]$

$($a$)$ Identify Source A and Source B in table above. Elaborate their functions and procedures with regards to the legal requirements for safety and health.

$($b$)$ Discuss the evolution of Occupational Safety and Health Act $1994($OSHA $1994)$ and Factory and Machine Act $($FMA $1967)$ in the legal framework of safety and health at workplace.