need directions

[flukillo]

hi you all.. I've about 7 years expirience in comercial food equipment industry. Im interested in getting my contractors license, my question is where do start? what kind of license do i need? what are they called? you all have a great day your answer is apreciated.:whistle:

[flukillo]

Revent ovens........ what is the apropiate way to pm a revent oven, i've got one that heats up more in the bottom than the top..thanks