Answer:
When bricking a building, masons must fit the bricks together; sometimes they slice bricks in half for a better fit.
Explanation:
This sentence has the appropriate punctuation of the comma and the semicolon. Also, the sentence follows the rule of having a letter lowercase after a semicolon.
Answer:
The best way to combine the sentences is "When bricking a building, masons must fit the bricks together; Sometimes, they slice bricks in half for a better fit."
Explanation:
The best way to combine the sentences presents the use of commas and a semicolon.
The first comma follows the rule of "Use a comma after a dependent clause that starts a sentence", then "When bricking a building," is the depending clause.
The semicolon follows the rule "to link (in a single sentence) two independent clauses that are closely related in thought" both sentences are talking about the same process, then "... the bricks together; Sometimes, they slice bricks..." is the merge of the two sentences into one.
The second comma follows the rule "Use a comma after introductory adverbs". Sometimes is a frequency adverb, then "Sometimes, they..."
