ll use care that the cable does not make contact with
metallic rails of the track, and shall avoid, where possible,
leaving the cable in water. If they remove props which have been
placed by the miner for the security of the roof, they shall reset
such props as promptly as possible. (Sec. 941; Penalty, Sec. 976.)

Sec. 958. [=Duties of motormen and trip-riders.=] Motormen and
trip-riders shall use care in handling the locomotive and cars, and
shall see that the signal or marker, as provided for, is used as
provided, and shall be governed by the speed provided for in this
act in handling cars.

They shall not run the locomotive with the trolley ahead of the
locomotive, except in cases where they cannot do otherwise, and then
only at a speed of two miles per hour.

They shall warn persons forbidden to ride on the locomotive or cars,
and shall not permit such persons to ride on locomotive or cars
contrary to the provisions of this act.

[=Duties of trip-rider, rope haulage.=] The trip-rider in charge of
rope haulage trips shall see that the signal light, as provided for
in this act, is in place and in proper condition before starting
trip.

[=Drivers.=] Drivers shall use care in handling cars, especially
going down extreme grades, and at junction points.

[=Those in charge of trips of cars shall see that doors are
closed.=] Motormen, trip-riders and drivers in charge of haulage
trips passing through doors used as a means of directing the
ventilation, shall see that such doors are closed promptly after the
trip passes through. (Sec. 923, 943, 961; Penalty, Sec. 976.)

Sec. 959. [=Persons must not enter mine until fire-boss reports.=]
No person shall enter a mine generating fire-damp so as to be
detected by a safety lamp, until the fire-boss makes a report
outside the mine on a blackboard provided for that purpose, and
arranged where the men can conveniently inspect it. No person shall
go beyond a danger signal, until all standing gas discovered has
been removed or diluted and rendered harmless by a current of air.
(Sec. 925, 955.)

[=Persons ordered to withdraw must not re-enter without
permission.=] Any person being ordered by the mine-foreman to
withdraw from the mine on account of the interruption of the
ventilation shall not re-enter the mine until given permission to do
so by the mine-foreman. (Sec. 952.)

[=Not more than ten persons on a cage.=] When more than ten persons
get on a cage or el