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Mark 25 sextant
Perfect technique can’t make up for the wrong sealant. If you really want to stop that leak, start by getting the sealant right. Copyright © 2023 https://www.boatus.com Boat Owners Association of The United States. Full article https://www.boatus.com/expert-advice/expert-advice-archive/2013/april/boat-sealants
Special plastic mould for production of specimens Moulds are made of white special plastic (Hakorit), Very low wear and stiffned against bending, unbreakable Self lubricated, easy to clean, rust free Light weight in comparison to steel mould Temperature for use Max. +80º C Min – 30º C. http://www.tetraltd.com/product-Plastic_Mould_Hakorit-176.html
Plexiglass mirror
Thank you m2mfenders.eu Convenient place for four fenders