1. Chalk lineA chalk line or chalk box is a tool for marking long, straight lines on relatively flat surfaces, much farther than is practical by hand or with a straightedge. It is an important tool in construction and carpentry, the working of timber in a rough and unplaned state, as it does not require the timber to have a straight or squared edge formed onto it beforehand.
Read “Chalk line” on English Wikipedia
Read “墨壺” on Japanese Wikipedia
Read “Chalk line” on DBpedia
Read “Chalk line” on English Wikipedia
Read “墨壺” on Japanese Wikipedia
Read “Chalk line” on DBpedia
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