The second vertebra in the thoracic spine, known as the T2 vertebra, is responsible for helping to support the rib cage.he second vertebra in the thoracic spine, known as the T2 vertebra, is responsible for helping to support the rib cage.
In the US typical household power consumption is about 11,700 kWh each year, in France it is 6,400 kWh, in the UK it is 4,600 kWh and in China around 1,300 kWh. The global average electricity consumption for households with electricity was roughly 3,500 kWh in 2010.
The energy unit used for everyday electricity, particularly for utility bills, is the kilowatt-hour (kWh); one kWh is equivalent to 3.6Ã10 6 J (3600 kJ or 3.6 MJ). Electricity usage is often given in units of kilowatt-hours per year (kWh/yr).