The silver tube sticking out of the end of the section in the OP's picture is the piercing tube. It is found on all Sheaffer C/C fountain pens. The cartridge or converter is a snug fit over this piercing tube - it has to be to have a good, ink tight seal. This can be suf...
In order to demolish a building safely, blasters must map out each element of the implosion ahead of time. The first step is to examinearchitectural blueprintsof the building, if they can be located, to determine how the building is put together. Next, the blaster crew tours the building (...
Today, I’ll guide you through identifying and treating Ich to save your fish’s life. Ich, short for Ichthyophthirius multifiliis, is a common aquarium disease caused by parasites that appear as white spots on fish. These parasites can easily transfer from tank to tank via fish, plants,...
In your photocopier, toner is stuck on larger, positively charged beads and stored inside a toner cartridge. When toner-coated beads are rolled over the drum, the toner particles find the positively charged ions on the unexposed areas on the drum's surface much more attractive than the weakly...
In disposable vape pens, the battery, cartridge, and atomizer are all built into the pen. You can’t take it apart and refill the cartridge, or replace the battery. But that’s fine because disposable pens are typically cheaper and designed to be thrown away once they’re done. ...