Can you explain why passive exercise machines and figure wrapping are considered fitness quackery?

when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

c) up is the direction the magnetic force is acting on the charge.

technology is the application of the knowledge gained by science.