Contribution margin is a measure of operating leverage: the higher the contribution margin is (the lower variable costs are as a percentage of total costs), the faster the profits increase with sales.
What is a snap switch also known as Snap Disc or snap action thermostat? Snap Disc, or snap switch thermostats are bimetal mechanical thermostats that function via the thermal expansion and contraction of a bimetal disc that âsnapsâ from a convex to a concave shape at a set temperature. When the disc âsnapsâ, it either completes or interrupts a circuit.
switch. 1  a slender, flexible shoot, rod, etc., used especially in whipping or disciplining. 2  an act of whipping or beating with or as with such an object; a stroke, lash, or whisking movement. 3  a slender growing shoot, as of a plant.