Most barbecue companies have replacement parts for their products. All you need it your manual to tell you which model number you have when ordering - if you've lost it, don't worry, the staff at the order desk will help you.
Probaly in the doors underneath the grill but if your grill doesn't come with a burner well don't look.
you have to go under the grill and use a torch to hook the corner to the inside flame.
Yes
To change the burner tubes on a Weber propane grill, first ensure the grill is completely cool and disconnected from the propane source. Remove the cooking grates and flavorizer bars to access the burners. Unscrew or unclip the old burner tubes from their mounts and carefully lift them out. Install the new burner tubes by reversing the process, ensuring they are securely attached before reassembling the grill.
Stainless steel or ceramic grill burner covers are the best options to protect and maintain your grill's performance. They help prevent rust and corrosion, distribute heat evenly, and are easy to clean.
Cause it can't remember the words? Probably the regulator humming. Try adjusting burner control up or down. Replace the regulator if needed.
You can go to the following website to find the grill that you want http://www.walmart.com/ip/Weber-Genesis-E-320-Black-LP-Gas-Grill-w-Side-Burner/5334300
If your grill is gas, and you have more than one burner, you may want to leave one burner off to conserve gas if the one burner is sufficient to cook your food. Also, on both gas and charcoal grills, leaving one side of the grill without direct heat allows you to move your food over to indirect heat so it can cook longer without burning.
I think it is called a gimbal
Yes it is possible.
blend it then drink it
If you're very very good about cleaning all the ash out after use, then cleaning and oiling the grill, you can probably get the same use out of a cast iron grill of a similar guage. However, if you don't clean out the ash (which is quite alkaline), you can corroded out a cast grill more easily than stanless.