STATISTICS AND INFORMATION 3265

and when explosives are carried by hand, the utmost precautions shall be
taken to avoid contact with electric apparatus or circuits.

An. Code, 1924, sec. 118. 1922, ch. 307, sec. 117.

118. Especial care shall be exercised along haulage ways and in any
portion of a mine where persons or animals may come into contact with
electric apparatus or circuits, and in all trolley circuits and transmission
lines, under which persons or animals must pass properly to install and
protect the same.

An. Code, 1924, sec. 119. 1922, ch. 307, sec. 118.

119. Care shall be taken in installation and maintenance of telephone
and signal lines to avoid and prevent grounds and crosses with circuits of
higher potential, and to protect persons using such lines from injury.

An. Code, 1924, sec. 120. 1922, ch. 307, sec. 119.

120. Systematic, periodic examinations and reports of the condition of
all wiring and electrical equipment and apparatus shall be required by
regulation of the Bureau, to be made by the operator, in all such mines.

CHAPTER XVII—Materials, Facilities and Supplies.
An. Code, 1924, sec. 121. 1922, ch. 307, sec. 120.

121. The operator shall provide and deliver at the working faces or
as near thereto as they can be conveyed in mine cars, a sufficient supply
of props, cap-pieces and timbers, cut square at one end, and as nearly as
practicable of the proper size and length for the purpose intended. Every
workman needing timber shall notify the operator at least one day in ad-
vance, giving the number, size and length of props, cap-pieces and other
timber required. In case of emergency, such materials may be ordered in
such a manner as the operator may provide; and if the necessary materials
cannot be supplied when required, the mine foreman shall instruct such
workman to vacate the place until such materials have been supplied.
Provided, That before the miners start work in any such mine, where
work has not recently been carried on, the operator shall first properly
timber the entry, room, or other excavation, lay up track thereto, and pre-
pare the same ready for such work.

An. Code, 1924, sec. 122. 1922, ch. 307, sec, 121.

122. The operator shall keep on hand at all times a sufficient quantity
of materials, supplies and facilities required by the provisions of this sub-
title or regulations thereunder, to preserve the health and safety of em-
ployees. Whenever the operator cannot procure any of such materials, sup-
plies or facilities then presently necessary, he shall notify the mine fore-
man to withdraw the men from any mine or portion of mine affected
until such materials, supplies or facilities are received.

An. Code, 1924, sec. 123. 1922, ch. 307, sec. 122.

123. The Bureau shall prescribe regulations governing the quality
and tests of illuminating oils used in mines of this State, which tests
shall be applicable to all oils and other illuminants offered for sale and
purchased for use in such mines; and no oils or other illuminants shall be