# Browser Research Tasks

> 需要打开的课堂页面，直接用课堂提示词里给出的链接（那是课程站点自带页面，与你的课程预览同源）。**不要根据相对路径去猜测或扫描本地端口。** 做 PPT、报告这类文档时，产品、认证、定位等事实本来就在本地素材文件（product-master.xlsx、company-profile.md、hero-spec-data.md 等）里，优先用本地文件，不必开浏览器。

## Public-web extension
Search for US hardware and tool distributors using English queries such as `tool distributor USA`, `hand tools wholesale USA`, and `industrial tools importer USA`.

Required output columns: Company, Website, Country, Evidence URL, Public Email, Main Products.

Rules: use only public pages; every factual row needs an evidence URL; leave email blank when it cannot be verified.