OCR Text |
Show Ventilate Coal Piles. Unless: conl plies srs well ventilated ven-tilated spontaneous combustion will follow. To prevent spontaneous canv hustlon, the bureau of mines gives I these suggestions: (i) Build a coal bin on dry ground. (3) stole only one size of coal in each pile. (It) l!e-move l!e-move line coal for Immediate use If possible, (1) Dun'! Wei and dry tho cnal iiKernately while piling (') Store the coal in small piles near Iio plnCS where II Is to be Used. (0) I e small bins In storage yards, |