The customer is not easy to measure the area prior to the purchase order item. If there are problems with the installation, customers will have to agree to pay for remediation work around two.
Customers are not easy to measure before ordering. If you have trouble installing the product the customer must agree to pay the second round of editing.
The customer is to measure the area before the order. If there's a problem in the installation of products, customers will have to agree to pay for the work the second round.