It's very important that 'theirs' THEIR managers have a feeling for
culture and respect differences of race, culture and gender. Some
managers are unconscious of culture diversity and when 'there' THEY are
working outside of their motherland, they neglect to get to know the
culture and tradition of society, with which they will cooperate.
Culture seminars may help managers to supplement knowledge of culture
and tradition OF A particular society. Course content should be adjustED to
A given country, so 'I' (co to slowo tutaj robi?) IT 'can't' (w calosci) be the same for all, because countries differ from each other and 'this' (ale 'this' odnosi sie do l. poj, a seminars to lk. mnoga - popraw) seminars should be run by A person, who has educationAL connection with the culture and tradition of A particular country, and 'it's' zle slowo-popraw) not its native 'residential' (niepotr), because such a person, can pass over some important information for managers, because he or she perceiveS them as 'obviousness' (zle slowo - popraw).
This knowledge may be very useful, especially 'by' (zle slowo, tutaj WHEN writing contracts 'und' (ortog) obtaining new clients.