常见问题/故障排除 哪些 Procore 工具支持"工种"？ Procore 中的"联系人"是什么？哪些项目工具支持此概念？ What are configurable fieldsets and which Procore tools support them? What are the default statuses for T&M tickets? What is Procore's Recycle Bin? Which fields in the T&M Tickets tool can be configured as required, optional, or hidden?