CSDF

1) Cold Storage and Distribution Federation. Representing firms in this industry.

CRT

1) Continuously regenerating trap. An exhaust after-treatment device (product of Eminox) combining a particulate trap and a specially-developed catalytic converter in the same ‘can’ and designed to reduce PM and NOx emissions in vehicles, particularly those using ultra-low (ie 0.002 per cent or less) sulphur fuels.

CRP

1) Continuous replenishment. A system of continuous stock flows replenishing goods removed from stock (ie for delivery or sold in the case of supermarket shelves).

Crossed hammers

1) On tachograph recordings, a symbol shown on the activity mode switch and on part of the recording area of tachograph charts. Indicates ‘active’ as opposed to ‘passive’ work. Its use is not part of UK legal requirements but may be used voluntarily for work other than driving.

Cross docking

1) Term used, mainly in parcels sector, to describe a technique where bulk loads of parcels arrive at a hub depot and are unloaded, sorted and reloaded to delivery vehicles across a loading bank or dock.

Critical path analysis

1) A form of network planning that determines all the activities to be carried out during a project, linked in sequence and timed (ie the critical path) to produce the required result at the right time. Usually produced in the form of a plan on paper or on a computer screen.