Meanwhile, across the pond as they say, two very modern mobile concrete batching plants are helping to speed along a rail electriciation project. The mixers can deliver up to 16.5 cubic metres of the desired mix design in minutes with no waste; the units have two independent diesel engines to reduce downtime. All mixes are monitored by two computers, which can prescribe up to 50 mix designs and monitor all ingredients of the mix. The mixer units contain use a unique patented system which allows them to batch concrete at cement contents from 50kg to 500kg per cubic while maintaining a constant output rate. Hail Britannia indeed.