And as for those random drug tests, they all (including flight attendants) have to undergoe those without any advance warning.
क) मालसामान खरिद गर्दा क्रेता नै सजग हुनुपर्ने सिद्धान्त ः प्रत्येक उपभोक्ता आफैं सचेत हुनुपर्दछ ।