clinker

"She has made enough ridiculous rulings in this case that nobody should be surprised if she makes another clinker," he told Salon.

Cement is made through a process called clinkering, where limestone and other raw materials are crushed and heated to about 1,450°C in large kilns.

Glass bottles, ceramics, coal fragments, ash and clinker were thought to be filling material for the pond.

Mr Clinton said Brexit and the trading arrangement that followed had thrown a "clinker" into Northern Ireland's politics.

Using different raw materials for clinker could dramatically lower the remaining 60 percent of carbon emissions.