Concrete eco-blocks have been placed on the seafront in west Cornwall as part of an environmental trial. The 88 blocks have been delivered and installed along the rock armour breakwater at Newlyn.

The construction of the classroom, which is built from reused materials, including 413 'eco-blocks' made from recycled bottles, was overseen by builder Nick Packard from Branch and Bone.

The intent of this article is to explain how to fix Fmax margin/value during ECO stage using buffer/inverter-pair removal and push-pull techniques. Fmax for memory block shall be the Tcc limited. But ...