[lemma=and] [!lemma=□] □
[lemma=and] [!lemma=foremost] □
[lemma=and] [!lemma=be] □
She has had an opportunity to test those tiles first hand , as a four-time astronaut including a stint on the first shuttle mission to dock with the Russian Space Station Mir. Elijah McCoy , born in Ontario and educated in Scotland as a mechanical engineer , returned to Detroit and in 1872 invented a lubricator for steam engines . Through education and global service projects , engineering students and professionals are improving lives and building a more sustainable world . These classes can be modified by the user , and since Postgres bases its internal operation on these classes , this means that Postgres can be extended by users . This time he ordered 1000 pairs of magenta shoelaces and since another kind is currently not available but he committed to buy some , he also prepared his database for pink ones . The PRIMARY KEY constraint should name a set of columns that is different from other sets of columns named by any UNIQUE constraint defined for the same table , since it will result in duplication of equivalent indexes and unproductive additional runtime overhead . Finally , the coupling of the emphasis on ownership and participation in the design of anti-poverty programmes with strict conditionalities for multilateral lending and debt relief considerably limits the freedom of action of recipient governments . This week , as we celebrate the role of engineers in making the world a better place , Engineers Without Borders stands as a shining example of social responsibility , humanitarian outreach , and global good will .