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It is not that the operator does all to operate heavy equipment. At times, it is also the guy who gives signals to the operator and asks him to do what he wants him to do. Especially when the operator is working on a crane, he is more dependent on signals coming from the man he can see. He has to work precisely on those signals and can’t afford to do things on his own. Therefore it is necessary that there is a good understanding level between the operator and the man who gives signals to him.

They should be in sync with each other and the operator should not have any problem in comprehending the signals he is getting from the man in front of him. He needs signals because it is not possible for him to judge things properly and for which he needs a helping hand. Now the helping hand need not be in the form of somebody working along with him inside the cabin. He requires someone who is outside the cab and guides him all along to do a particular job which he can’t do sitting alone inside the cabin.

Now when an operator does requires a man to give him signals. He requires him the most when he needs to either load or unload a heavy thing and his view is obstructed by an object. This means that he can’t see his intended path and therefore needs someone who can guide him there. The most common and preferred form of signal used is the hand signal. The operator in this case does not want to rely on any gadget and want a person to guide him. He may not be as comfortable with a gadget and if he is not comfy with something he can’t complete a critical thing with accuracy. Moreover, as mentioned earlier there needs to be a good understanding between the signaler and the receiver. If by any chance the co-ordination between them goes wrong, it may have serious repercussions.

At a point in time, there should be only one signaler. There should not be multiple people giving signals to the operator. He may get confused if there are multiple signals given to him and end up in a disaster. Also not any person should be given the work to give signals to the operator. Only a person who is qualified and knows which signal means what should be assigned this job. Different gestures have different meanings and the signaler should be aware of every signs. Also the operator should have thorough knowledge about signals so that he can comprehend it well and act accordingly.

If there is a change of signaler that should be informed to the operator and the signaler should also wear the badge which indicates that he is now authorized to give signals. Ideally, it is recommended to have one signaler for one operator. The operator should take one signal from no matter who gives it and it is the STOP signal. If the signals are followed religiously, then the chances of accidents happening will be drastically reduced.