['   \n  \n "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ', 'ਆਮ ਤੌਰ ਉੱਤੇ ਬਹੁਤ ਸਾਰੀਆਂ ਤਕਨੀਕਾਂ ਦੀ ਵਰਤੋਂ ਕੀਤੀ ਜਾ ਸਕਦੀ ਹੈ ਜੋ ਵੱਖ-ਵੱਖ ਖੇਤਰਾਂ ਵਿੱਚ ਵਰਤੀ ਜਾ ਸਕਦੀ ਹੈ। \n ']