• photo mapping engineer group

फोटो:    photo positive ikon obliques photogeology

मानचित्रण:    cartography mapping map making

इंजीनियर:    engineer machinist engineers stores depot

ग्रुप:    group

ग्रुप मुख्यालय:    group group headquarters

मुख्यालय:    headquarters headquarter HQ central office main