Regular fabric duct tape can replace hemp, which plumbers use to seal threaded pipe joints and faucets.
For this small strip you need to break into thin strands which are then twisted into flagella that can spin at screwing any plumbing fittings, and they will successfully play the role of a reliable sealing gasket.
Recommend to read
Motor block built by a youth technical club
In gardens and vegetable plots, at dachas and school grounds — everywhere where there is a need to cultivate small areas of land, universal walk-behind tractors (UWT) are widely used....
WALK-BEHIND-TRUCK
Offer to readers design their new walk-behind. But before describing it, a little background. Village life is hard their daily monotonous work in summer and winter, rain and snow......