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Symptoms of demineralization of the teeth. Visible signs of caries in the interstices of the enamel of  the tooth. Dental damaged erosion concept. Loss of the reinforcement of the enamel.
Douche, moldy
Typical matrix of conglomerate contains finer-grained sediments, such as sand, silt, or clay, which fills the interstices between the clasts.
Typical matrix of conglomerate contains finer-grained sediments, such as sand, silt, or clay, which fills the interstices between the clasts.
Ice texture of a frozen river in winter

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Detail of stone retaining wall in Arizona gardenImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/detail-stone-retaining-wall-arizona-garden-265922951">Image used under license from Freestock.com</a>
Multicolored grid on wine-red background for themes of order, structure, repetition, and interconnectednessImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/multicolored-grid-winered-background-themes-order-246685630">Image used under license from Freestock.com</a>
Bright multicolored mesh of ribbony strips on light greenImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/bright-multicolored-mesh-ribbony-strips-light-246685627">Image used under license from Freestock.com</a>
Close-up of rolled-up construction fencingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/closeup-rolledup-construction-fencing-740989">Image used under license from Freestock.com</a>