UPS charges for taking tax/duty payments on delivery to the USA.

If you needed proof that using countersunk fasteners in an acrylic pane here you go....

Closing seal options for Lewmar Superhatch, Rollstop and Ocean offshore hatches

Step by step removal of a Gebo window from Halmatic 30 Liberte Boo

Another wonder tool - Engineers wedges

Options for refurbishing sliding boat windows