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.
1 Safety Factor (SF) = Additional fall clearance to ensure a safe distance from the obstruction after a fall. 2  This variable number should take into account factors like D-ring movement. 3  A distance of 18â to 36â should be included. 4  The Safety Factor provides a buffer zone.