Industrial laser marker search-term reports are full of hobbyist contamination that looks legitimate at the lead stage but closes at <2%. A procurement buyer lands on the same page as a jewelry engraver and a YouTuber buying a diode laser for their garage. Scrub detects contamination using NLP heuristics: DIY language ('how to', 'tutorial', 'beginner'), consumer context ('gift', 'hobby', 'home'), and hobbyist brand names ('Xyzzy', 'K40', 'Xtool'). In laser marking, Scrub typically flags 20-40% of search-term volume as contamination. The move is to export Scrub's flagged terms as a bulk negative list and layer it into your account, then monitor weekly because the contamination patterns shift as Smart Bidding finds new cheap-click pools. Build a standing Scrub review into your monthly workflow: run it on the bottom-quartile keywords (lowest conversion rate), export flagged negatives, and add them to your campaign-level negative list. The ROI is immediate — contamination negatives typically recover 15-25% of wasted spend within 30 days.
Tool · Industry intersection
Scrub for industrial laser marking
B2C contamination detector for search terms, applied to industrial laser marking & engraving.
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 industrial laser marking
Industrial laser marking is one of the most contaminated B2B verticals in paid search. The category keyword 'laser marker' returns hobbyists, jewelry engravers, Etsy sellers, and college students searching at scale — none of whom can afford a $40K industrial system.
Full industrial laser marking playbook →More tools mapped to industrial laser marking
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