Please choose the correct ending to complete the given sentence: Health: [header] How to make reed diffusers [title] Find a container with a narrow opening. [step] Begin assembling your reed diffuser by finding a suitable base container for the reeds. Look for a container that is about five to ten inches tall with a small opening made of ceramic, glass, stainless steel, earthenware or wood.

Ending1: Do not use a plastic container, as essential oils can react with plastic. [substeps] A small opening at the top of the container ensures that minimal evaporation occurs. Ending2: You will place the reed diffuser at the bottom of the container. [substeps] To make fine wicks, you will need to place a paste-like material around the opening to support your wick as you perform the project. Ending3: A container with a narrow opening will allow you to grab your reed diffuser with confidence and ease. [substeps] You can be confident that the opening is wide enough to rest your reeds between your thumb and forefinger. Ending4: Ensure the bottom or rim of the container is small enough to hold the reed. [title] Squeeze the reeds until you hear a popping sound.

Answer format: ending1/ending2/ending3/ending4