[lemma=□] □
[lemma=can] □
[lemma=be] □
The battered cans are lined up on dusty shelves in a small square room . It wo n't be easy , but it can be done . Life in the U.S. can be expensive and sometimes international students decide to get a job in order to have extra money or to be able to travel . Even though most people decided for themselves that disposable cans were a waste of our planet 's natural resources and labor , let 's suppose that a few people still wanted to use them . This can be observed in example 8B , which is the full text of an article in the JIR . This purely direct-marketing approach can be somewhat short-sighted , " Hursh added . The key messages of the protocol are : ( 1 ) inorganic samples can be contaminated , but sources of contamination can be reduced through proper planning , use of tested equipment / supplies , proper cleaning , and specified quality-assurance measures ; and ( 2 ) collection of adequate QC data will identify whether problems exist ( suggested QC in the protocol should be considered only a minimum guide to what may be needed to identify the problems ) . A portion of a wicker baby cradle can been seen behind the young girl in white .