Asphalt Safety Training Program
2021-8-25 · Asphalt Safety Training Program Introduction Asphalt is a strong adhesive . used for road paving, roofing tar, roll-roofing, roofing felt, shingles, pipe covering, floor tile, waterproofing, and many . other products and processes. Asphalt is a dark brown or . black substance derived from crude oil. It may be a solid, a semi-solid, or a liquid ...
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