Before you can have job experience with a forklift, you'll need to have passed an OSHA-compliant forklift safety program, so yes.
There are no specific classes required in the US. Most require completion of a bachelor's degree.
Yes. You'll need to complete an OSHA-compliant forklift safety course before you can operate a forklift. Example course: http://certifyme.net/
Is forklift licenses before December 31 1995 lifetime.
Most companies offer their own training for their in house forklift drivers. The length of that training depends on the time set by Human Resource department. You will more than likely have to pass written and driving test before becoming certified.
Always water your battery after the cool down period. The best practice for conventional forklift batteries are - 8 WORKING HOURS, 8 HOURS OF CHARGE, & 8 HOURS COOL DOWN. Water the batter prior to use; if required.
No, you can't obtain a forklift license online. You must go through in person training, and prove that you can drive a forklift, before they will give you a license or certification.
Before charging it.
"It depends on what and where you are trying to market. If you are running your own company, then classes might help but aren't required. If you are trying to get hired into marketing, then you should take classes or volunteer."
Yes a person should take a safety course before operating a forklift. Those courses should be provided to you by your employer.
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a forklift operator
There are many jobs at airports that require a forklift license. The forklift drivers require licenses, as do counterbalance forklift drivers. If a person would like one of these jobs at an airport, it is best to get experience before they apply for the job. It is a very competitive industry to get into.