Home Security & Safety Tips : How to Mark for Drill Holes to Install the Base of a Smoke Detector
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Learn how to mark for drill holes when installing a smoke detector base, and other DIY home firesafety tips, in this free home improvement and maintenance video. Expert: Jon Olson Bio: Jon holds a Bachelors of Science in Education and Human Sciences degree, with an endorsement in Industrial Technology Education, and he has worked in Residential Construction for several years. Filmmaker: Jon Olson