the process of reducing friction of uneven surface
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greasing .........oilling
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The following process of reducing friction of uneven surface are as follows :
(i) By polishing the surface
as polishing makes the surface smooth and friction can be reduced.
(ii) Using lubricants such as oil or grease can reduce the friction between the surfaces.
(iii) When objects are rolled over the surface, the friction between the rolled object and surface can be reduced by using ball bearings.
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