To send a sample of the materials and structures for hanging in the system hides a t-bar or otherwise specified in the offer consideration of construction supervisor approval before proceeding.
To send a sample sheet material and a rough frame for hanging in a hidden frame. Or in other specified. The proposed construction supervisor for approval before implementation.
To send the sample material plate and frame for hanging in the system to hide project or other specified in the model. Proposal for the construction supervisor for approval before the operation.