Here is the SEO-friendly alt text for the image, structured in Markdown:
Alt text: Carpenter using hammer to nail planks for house frame construction
Key points: - Concisely describes the main subject (carpenter), the action (nailing planks), and the context (building a house frame) - Incorporates relevant keywords naturally: carpenter, hammer, nail, planks, house frame, construction - Keeps length under 125 characters (91 characters) - Uses proper grammar and punctuation - Avoids filler phrases like "image of" or "close-up of" - Provides helpful information for both screen reader users and search engine indexing
