Dear readers,
Here’s the difference:
• Cement is the power used to make concrete
• Cement is to concrete what flour is to cake
• Cement comes in a bag; you can walk on concrete
Headlines of articles — incorrect usage:
• “How to Make a Nice Cement Patio”
• “Building a Cement Patio Is no Easy Chore”
• How to Build a Cement Block Patio
Portland cement resemblance to a stone quarried on the Isle of Portland in the English Channel.
Graham Marr
Palo Alto, California
