by 7News Staff TOPICS: FALLS CHURCH, Va. (7News) — A Falls Church High School teacher has been arrested for allegedly selling vape cartridges to students, according to Fairfax County Police.

They're incredibly simple, all of them act as a valve. Screw a CO2 canister on one end, screw the other onto your valve and either turn a knob or just press down and with a short blast of ...

12-GRAM CO2 POWERLETS - Compatible with most air rifles ... enthusiast MADE WITH QUALITY MATERIALS "TAKE IT OUTSIDE" WITH CROSMAN ...

Since the mid-1800s, there have been dozens of rifle and revolver cartridges chambered for lever-action rifles. Most have come and gone without much fanfare, but a handful changed the game.

Tired of constantly replacing ink cartridges? The best ink tank printers offer a more economical way to print at high volumes. By releasing you from a commitment to cartridge ink, refillable ink ...

15-shot, .177 caliber BB air pistol Powered by a 12-gram CO2 cartridge (CO2 not included) Shoots .177 caliber steel BBs at up to 410 FPS Integrated Weaver rail for easy mounting of accessories ...

Synthetic fertilisers sprayed on fields contain chemicals such as ammonium and nitrogen, which help the crops grow but contribute significantly to global CO2 emissions. Without more information on ...

Even so, inkjet printers are generally sold with relatively low-capacity ‘setup’ or ‘installation’ cartridges, and it can come as a shock when a new set of higher-capacity cartridges costs more than ...

Its chemical compound consists of one atom of carbon covalently bonded to two atoms of oxygen. Carbon dioxide is represented by the chemical formula CO2 and is commonly referred to as such instead of ...