Industrial Maintenance Technician Practice Test 2025 – Your All-in-One Guide to Exam Success!

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When painting over a dark water stain, what should you ensure before proceeding?

Apply a second coat

Make sure the leak is fixed

Before proceeding with painting over a dark water stain, it is crucial to make sure that any underlying leak is fixed. If the source of the water stain is not addressed, painting over it will likely lead to further issues, including the potential for the stain to bleed through the new paint or for mold and mildew to develop behind the paint. Additionally, if water continues to infiltrate the area, it can compromise the new paint finish, causing peeling, blistering, or additional water stains in the future. Addressing the root cause ensures that the previously stained area is treated properly and allows for a more durable and long-lasting paint job.

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Sand the area first

Use a primer only

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