一位山东的孙先生来电咨询:我的邻居黄某家建新房,他买的一批建材要卸放在我家门前的空地上。我看到他在忙着卸货,出于一片好意就主动前去帮忙,他也没跟我客气,只说非常谢谢。可是在卸货的过程中,一块石料不慎滑落砸到我的右 Mr. Sun, a Shandong to inquire: my neighbor Huang home to build a new house, he bought a group of building materials to be unloaded in front of my house in the open space. I saw him busy unloading, out of goodwill to take the initiative to come to help, he did not say hello to me, but to say thank you very much. However, in the unloading process, a piece of stone fell inadvertently hit me right