''A small flask containing an [sic] brown smoky fluid.''
The Portion of Carpentry is can be created by mixing a red [[dragon]]'s [[blood]] with a [[source salt]]. To see the type of potion that would be made, choose "Alchemy > Lore" (requires at least 10 natural substances skill). To make the potion of carpentry, choose "Alchemy > Mix".
Mixing this potion has a difficulty of 20. Skill level in [[alchemy]] determines the chance of successfully creating the potion.