newspaper production is a demanding and fast-paced industry. working under tight deadlines, reporters and photographers constantly creat original new material. copyeditors check all printed material for accuracy in content, grammar, and style. they often read each article several times to check for spelling, grammatical, correctness and precise word usage. to ensure factual accuracy, they use reference books and espert sources to double-check all reported information. also, although a soty is too long or uninteresting, they rewrite the story while retaining its original meaning.

for spelling, grammatical, correctness and precise word usage.

1)이 부분에서, grammatical 다음에 comma는 문법적으로 어떻게 설명해야 할까요?
2)그리고 문맥상 자연스럽지 않은 부분은 although 를 when, 또는 if 로 수정하면 될까요?