selective focus tube sheet boiler plate heat exchanger closeup texture macro background full hard insoluble |
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navigate by keyword : pipe heat corrosion exchanger scale plate background boiler tube trypophobia texture closeup sheet industrial deposits macro industry mineral salts insoluble hard concept equipment brown chemical chiller circle clay surface steel slag condenser factory rusty rust cooling metallic old metal iron maintenance engineering machine material plant nobody board clogged |
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Selective focus tube sheet or boiler, or plate of heat exchanger closeup texture macro background full of hard insoluble mineral deposits salts scale and corrosion. Trypophobia concept. |
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