Along the same line, Adam Clarke comments: “The meaning therefore is, He made the people slaves, and employed them in sawing, making iron harrows, or mining,... and in hewing of wood, and making of brick.
وبقطع الخشب ،‏ وصنع الآجر .‏ اما نشر البشر بالمناشير وتقطيعهم إربا إربا ،‏ .‏ .‏ .‏