(8)In every canteen-(a)all inside walls of rooms and all ceilings and passages and stair cases shall be lime-washed or colour-washed at least once in each year or painted once in three years dating from the period when last lime-washed or painted, as the case may be;(b)all wood work shall be varnished or painted once in three years dating from the period when last varnished or painted;(c)all internal structural iron or steel work shall be varnished or painted once in three years dating from the period when last varnished or painted:Provided that inside walls of the kitchen shall be lime-washed once every four months.
