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Lorries that transport inflammable liquids, gases and powders must be earthed. This is because when a lorry drives along the road the rubbing of it's tires against the tarmac creates an electrostatic charge build up on the metal chassis of the vehicle. When unloading the load from the lorry this charge may be released and cause a spark as it tries to reach ground. In turn this spark can ignite the inflammable substance and potentially be very dangerous. By eathing the lorry the charge will not create a spark as it tries to dissapate into the earth instead it will go through the path of least resistance (whichever way the lorry is earthed) and be safely discharged.
What else can I help you with?
Does a vacuum cleaner need to be earthed?
no
What is the collective noun for lorries?
The collective nouns are a convoy of lorries a fleet of lorries.
What is a sentence for lorries?
The two lorries passed each other.He used to drive lorries for a living.
Why do some lorries have deflectors fitted over their cabs?
some lorries have deflectors fitted over their cabs, so it becomes more streamline, it can DEFLECT the air resistance too :) The Ugly Rat
What do you call lorry in plural?
The plural of "lorry" is "lorries."
Where does the apostrophe go in lorries tires?
The word lorries is a common plural noun. It requires no apostrophe.The lorries lined up next to the curb.If the word lorries has a possession or belonging, it needs an apostrophe.The lorries' tires looked new.
How many Eddie stobart lorries are there?
how many eddiestobart lorries arethere
When was Earthed to the Ground created?
Earthed to the Ground was created in 1984-05.
What is the plural possessive of lorry?
The plural form is lorries. The plural possessive is lorries'.
What part of speech is lorries?
The word lorries is a plural noun. The singular is lorry.
Why do lorries need a force to keep them moving at a steady speed?
They need the force to overcome the friction between the lorry and the road.
Why are lorries not streamlined?
Lorrys air not streamlined beacuse there is no where for the air to go when it hits the truck. But some lorries are streamlined but not to the exstent of cars like the renault k-80 which has curves to direct the airflow
