5.2 If a lump sum was not agreed for mounting or installation work, we will bill them at the then applicable field service rates. Lump sums for mounting and installation cover agreed works only. Any additional works or waiting times will be billed at our field service rates.

5.3 If not agreed otherwise in writing, invoices are due and payable in Euros immediately. Notes and checks will be accepted on account of performance and at the customer's expense only.

5.4 In case of a default in payment or reasonable doubt as regards the customer's credit-worthiness, we can make any shipment subject to payment in advance of the full invoice amount.

6. Agreed Mounting or Installation

If mounting or installation has been agreed, the customer shall make available the following in time and at its expense: Helpers and skilled workers,

sufficient in number and qualification, lighting, power, compressed air, water, welding power, etc., heating, necessary connections, necessary fixtures and equipment (for example lifting gear, welding equipment), a lockable room for storing material, tools and clothing for the mounting period, and suitable sanitary facilities.

7. Retention of title, assignment of future claims

7.1 The goods and deliverables will remain our property until payment is received unconditionally and in full. If there are other accounts receivable with such customer, the retention of title will remain in force until these are settled as well.

7.2 Goods and deliverables under retention of title can only be resold by the customer - in the ordinary course of business - if the customer has not assigned, pledged or otherwise charged its claims under such transaction.