Can you assign a resource to multiple resource groups??

Hello

I am wondering if it is possible to assign resources to multiple resource groups?  We currently utilize the need for bottleneck resource group because we run an EC constrained plan in order to utilize work orders generated for our alternate molding machines.  However while the bottleneck resource group is key to this EC plan we would like to utilize resource groups to also group our machines by Production planner in order to have those groupings be an option within Production Scheduling as a one to drill down into just that resource group for ease of planning.  Currently I am being