📎回形针A paperclip. Means attaching, office supplies and "Clippy" nostalgia. Use it for documents and jokes.
👷建筑工人A construction worker. Means building, hard work and safety helmets. Use it for projects and "under construction" jokes.
🦺救生衣A safety vest. Means construction, safety and high visibility. Use it for work zones and safety-first talk.