Sentence:  ...there is some sensitivity in Africa to being the recipient of the West's unwanted or secondhand surplus goods, and sometimes well-intentioned gifts of educational materials have been criticized by their recipients as examples of "<WSD>book dumping</WSD>" - equivalent, that is, to garbage disposal or to the removal to Africa of European and American toxic wastes. 
Meaning of the word marked with <WSD> tags:  The practice of donating old used books that burden rather than assist communities.