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O que significa escada FREE OF KNOTS? No item 2,1,2 – 1. If made of hardwood, they should be made in onde piece, FREE OF KNOTS
Olá,
No google tem várias imagens:
https://www.google.com/search?q=n%C3%B3+em+madeira&sxsrf=AOaemvK47Fzi0dyv_5yhESJOWsTRrhviNw:1643109258583&source=lnms&tbm=isch&sa=X&sqi=2&ved=2ahUKEwif6Lz94sz1AhUfqZUCHaPGCE4Q_AUoAXoECAIQAw&biw=1920&bih=969&dpr=1
Abs