Black widow spider bite facts nr 3 Even a large, female black widow spider can only inject a very small amount of venom in one bite. Unlike the small insects that the black widow spiders feed on, a human will therefore usually dont die after a black widow bite. Our large bodies can diffuse the venom and gradually break it down.
Fuel dispenser. A fuel dispenser is a machine at a filling station that is used to pump gasoline, petrol, diesel, CNG, CGH2, HCNG, LPG, LH2, ethanol fuel, biofuels like biodiesel, kerosene, or other types of fuel into vehicles. Fuel dispensers are also known as bowsers (in Australia), petrol pumps (in Commonwealth countries), or gas pumps (in North America).
On a fire protection system requiring a fire pump, there is a small pump that maintains pressure above the pressure settings of the larger fire pump. Hence the name jockey pump.. The purpose of a jockey pump is to maintain pressure in a fire protection piping system so the larger fire pump does not need to run. A jockey pump package consists of a pump, motor and controller. Examples of centrifugal jockey pumps.