Your search-terms report for "CNC machining" includes a shocking amount of noise: "DIY CNC machining hobby," "how to build a CNC machine," "home garage CNC setup," "tractor restoration CNC," "knife making CNC," alongside the real B2B intent of "CNC machining services [city]," "medical device CNC," "aerospace machining." Scrub detects the consumer patterns using NLP heuristics — hobby, DIY, home, custom, art, garage keywords — and bulk-suggests negatives. A single review session (20 minutes) can kill weeks of wasted spend on hobbyist contamination. For fabrication shops, this is critical because hobbyist CNC enthusiasts now buy small CNCs and contaminate B2B search, especially on broad match. The AI-assisted classification flags edge cases where heuristics aren't sure. Recommendation: run Scrub monthly on your search-terms report, especially on broad-match campaigns. The bulk-negative export flows straight into Google Ads Editor. A 3-5% improvement in lead quality is conservative for shops drowning in hobbyist noise.
Tool · Industry intersection
Scrub for metal fabrication
B2C contamination detector for search terms, applied to metal fabrication & contract manufacturing.
About Scrub
Search term reports in B2B accounts are full of consumer queries — DIY hobbyists, students, someone Googling on their phone. Scrub detects the contamination using NLP heuristics and bulk-suggests negatives, so a single review session kills weeks of wasted spend.
Full Scrub page →About metal fabrication
Job shops and contract manufacturers compete on capacity, certifications, and lead-time more than price. Their buyers are procurement managers and engineering leads at OEMs who need parts made to spec.
Full metal fabrication playbook →More tools mapped to metal fabrication
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