So this has always been used that is those who are at the senior level, those who are already trained as we have seen in another example that is how the senior drivers they were given the training to the junior drivers who had joined later.
इसलिए इसका हमेशा उपयोग किया जाता है जो कि उच्चतर स्तर पर होते हैं, जिन्हें पहले से ही प्रशिक्षित किया जाता है जैसे कि हमने एक और उदाहरण में देखा है कि उच्चतर ड्राइवरों को कैसे प्रशिक्षण दिया जाता था जो कि बाद में शामिल हो गए।