Two Way Switch-Switches which can be used in pairs so that either can switch a light on or off. Each switch has terminals allowing them to be linked using Three Core and Earth cable. Voltage (V) - The numerical value of the electrical potential between two points in a circuit.Volts = Wattage/Amperes.lectrical Second Fix-Generally used to refer to that part of an electrical installation that is visible on completion-i.e. the light fitting, wall switches etc. Frequency-In alternating current, the rate at which the current changes direction-in the UK typically 50 Hertz.
To make bleach, a direct electrical current is sent through a sodium chloride solution (table salt and water). This basically splits the atoms leaving chlorine and the caustic soda. Both chlorine and caustic soda (lye) are extremely dangerous. These two chemicals are reacted together to create what we know as bleach.
alcium makes your bones strong because it has vitamin D which is a protein and that protein is a very hard substance. So when you calcium it starts to layer kind of like a wal â¦ l around your bones making them stronger.Answered.one is made from calcium and phosphorus.   To keep bones healthy and strong; dairy products is needed in a person's diet. How bones maintains its strength and flexibility is that every 7 years a bone replaces all of its cells, this makes bones adapt to day to day events such as running.