Please choose the correct ending to complete the given sentence: Work World: [header] How to apply plumber's putty [title] Purchase plumbers putty at a home supply or hardware store. [step] Most local or chain stores, like home depot, should carry plumbers putty. Different brands use slightly different ingredients.

Ending1: Read the instructions carefully to determine the best variety for you, and check to see if the label says " safe " on the back. [title] Use plumber's putty to enter cracks. Ending2: However, you should pick a putty that matches the color of your hardware and work with it instead of picking something from nature. [title] Rinse and dry your hardware and handle the plumbers putty. Ending3: [title] Decide if you need clay or concrete according to how much paint you desire. [step] Some plumbers waste much more clay than others, but concrete clay usually yields the paint. Ending4: Putty marked as stain-free should be safe to use on any material. Ask someone in the store if you have specific questions about your project.

Answer format: ending1/ending2/ending3/ending4