What is the fine-grained topic of the following text: Lyons & Collins, would respectfully inform the citizens of this city and surrounding country, that they have take the well known blacksmith shop of Lytle's on Solidad street, where they will carry on the above business in all its various branches, and are now prepared to execute work entrusted to them on the shortest notice and on moderate terms for cash. Only return the topic.
Opening of a blacksmith shop by Lyons & Collins