Forestry, forest products. Streaks of resin (barrois) on spruce (not tapped). Gum is used to make turpentine oil, rosin, medicinal balms. Rosin for so

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Forestry, forest products. Streaks of resin (barrois) on spruce (not tapped). Gum is used to make turpentine oil, rosin, medicinal balms. Rosin for soaps, varnishes, paints, paper. Ultra macro

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Size: 4589px × 3061px
Photo credit: © Maximilian Buzun / Alamy / Afripics
License: Royalty Free
Model Released: No

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