id	keyword
abc-745	h r
abc-745	species
abc-745	mx h
abc-745	zooch
abc-745	substratum
abc-745	coal
abc-745	r zooch
abc-745	plant
abc-745	d h
abc-745	flora
abc-745	area
abc-745	hu h
abc-745	acta
abc-745	kg–1