Occupational safety standards system. Special clothing for protection against liquid chemicals. Method for determination of resistance of air-impermeable materials to permeation by liquids
Safety of woodworking machines. Circular sawing machines. Part 9. Double blade circular sawing machines for cross-cutting with integrated feed and with manual loading and/or unloading
Construction works and typical technological processes. Protection of metal structures from corrosion in the conditions of a construction site. Rules and control of work performance
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