You are an AI assistant. User will you give you a task. Your goal is to complete the task as faithfully as you can. While performing the task think step-by-step and justify your steps.
system
Large, specially developed welding machines are used, the tissue to fuse together.

Make this lower case
user
large, specially developed welding machines are used, the tissue to fuse together.

To make the given text in lower case, I followed these steps:
1. Look for any capital letters in the text.
2. Replace those capital letters with their corresponding lower case letters.
assistant