Factories. [Ch. 30. No. 2.

or tops of rooms, and all walls, sides and tops of
passages and staircases shall—

(i) where they have asmooth impervious surface,
at least once in every period of six months be
washed with water and soap or other suitable
detergent, or cleaned by such other method as
may be approved in writing by the senior
inspector ;

(ii) where they are painted with oil paint or
varnished, be repainted or revarnished at least
once in every period of five years, and at least
once in every period of six months be washed
with water and soap or other suitable detergent,
or cleaned by such other method as may be
approved in writing by the senior inspector;

(ili) in other cases be kept white-washed or
colour-washed, and the white-washing or colour-
washing shall be repeated at least once in every
period of twelve months.

6. (1) A factory shall not, while work is carried on, be
so overcrowded as to cause risk of injury to the health of
the persons employed thercin.

(2) Without prejudice to the generality of the fore-
going provision, in every workroom in a factory there
shall be allowed for every person employed in the room
not less than four hundred cubic feet of space, except
that in any workroom with not less than one side, or the
equivalent area of openings, being not less than twenty-
five per cent. of the total area of all the sides of the room,
open to the outer air the amount of space allowed for every
person employed in the room shall be not less than two
hundred and fifty cubic feet.

(3) In calculating, for the purposes of this section,
the amount of cubic space in any room, no space more
than twelve feet from the floor shall be taken into account,
and, where a room contains a gallery in which persons
are employed, the gallery shall be treated for the purposes
of this section as if it were partitioned off from the remainder
of the room and formed a separate room.

(4) There shall be posted in every workroom a notice

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Over-
crowding.