nocturnal emission reflex emission of semen during sleep. thermionic emission the application of heat, such as to a filament, resulting in the emission of electrons and ions. thermionic emission
Which means if the equipment if design to has a high factor of safety, the cost to fabricate the equipment will increase and same to the weight too. But if the equipment is design with low cost and low weight, the factor of safety will be low too.
A low count is linked to a lower than normal concentration of the number of oxygen-carrying hemoglobin proteins in the blood. The same source typically defines a low hemoglobin count as under 13.5 grams of hemoglobin per deciliter, or 135 grams per liter for men, and under 120 grams per liter for women.