I did wind up investing about $150.00 far more then I had planned- used over a system Zinc Mettallizing . But given that it has been for awhile and produced it throughout the significant rains with out rusting -as promised . I'm so satisfied. Evgeny Makhline, Nistec CTO With PCBflow, https://socialbuzzfeed.com/story13394834/criar-logomarca-barata-no-further-a-mystery