2) i'm using a straight steel edge to scrape 2 shiny lines along the tubes - a steel ruler works well, but i'm using a big knife in honour of Eugene (BungedUP).
later, i'll be calling these lines 'keel lines'
2) i'm using a straight steel edge to scrape 2 shiny lines along the tubes - a steel ruler works well, but i'm using a big knife in honour of Eugene (BungedUP). later, i'll be calling these lines 'keel lines'