What should you to do if you contact with eyes by the Di-tert-butyl dicarbonate?
even though you and your mom were safe it doesn't mean the entire building was empty. it could be that your mom wanted you to learn how to pull the alarm in the event of an emergency. it's not like she said to pull the alarm and left you there. she stayed to make sure you wouldn't get seriously hurt.
fuse, safety switch, or heating element. all can usually be replaced for about 40 bucks and a few screws and wires.
first check that you have 220 volts. alot of people will check between the ground and one side of the plug then the other. the right way is to check between both power sides of the plug. it should read 220.