Relief: It refers to the assistance regarding financial or fooding, clothing and basic needs in crisis moment.
Public works: It deals with the construction, rehabilitation and repair work of any public feature.
Relief and public works both work and give service during crisis moment or devastation.
Explanation:
In a critical and hard time of nation during any natural or man made disaster relief fund and public works department work together to solve the problems. Relief funds mainly generate by government officials by seeking helps from public like Prime minister relief fund for providing money, cloths or other basic needs (cloth, medicine) as per their capacity and wishes.
Public works rebuilt, reconstruct the public features after any unprecedented accidents or disasters. Both the team works for the betterment of public.