Document ZB9MwxxpMj1RY1rKpnJme2DJY

HAND AND PORTABLE POWER TOOLS arm The handling, storing, and control of explosive cartridges present additional haz ards Therefore, instructions for the use, handling, and storage of both tools and cartridges should he )ust as ngid as those governing blasting caps and firearms Specific hazards are accidental discharge, ricochets, ignition of explosive or combus tible atmospheres, projectiles penetrating the work, and dying dirt, scale, and other particles Powder-actuated tools can be used safely if special training and proper supervision are provided for the operator Manufac turers of the tools will aid in this training Only trained and properly qualified per sonnel should he permitted to operate or handle the tools (Fig 30-25) Power-assisted, hammer-drive tools are used for the same purposes as powder actu ated tools and generally the same precau tions should be taken (Fig. 30-20). Personnel should be trained to use pow der charges of the correct size to dnve Fig. 30-26. Correct use of power-assisted hammer-driven toot to secure brocket to o concrete wait. Courtesy Hilti Inc. Fig 30-27. An inspection and maintenance program catches dangerous defects and en courages better use of electrical equipment A history should be kept on each piece of equipment. 30-23