Lukegao1
创建页面，内容为“Adding lead to a mechanical pencil is a simple process that can be done in a few easy steps. Here's how to do it: 1. Purchase the right type of lead: Make sure to purchase the right size of lead for your mechanical pencil. Most mechanical pencils use lead with a diameter of 0.5mm, 0.7mm or 0.9mm. The lead will usually come in a small tube or box. 2. Remove the cap: Remove the cap or eraser from the top of the mechanical pencil. Some mechanical pencils have a…”