The cone is formed by small limestone slabs set in a spiral without mortar to bind them.
Small limestone slabs, set in a spiral, form the cone.
The cones use a dense mortar to help them bind.
Low error rates are not required to meet the standard of substantial accuracy.
A man is practicing juggling.
The man left his hat at home
a woman waits for a tennis ball
The common features in a critical success factor can be significant.
The woman is roller blading.