Depends on the aim of the course.
For example a course designed to train managers so that they can then train their staff will be longer and will often have an examination at the end.
A course for a typical manual worker would probably last 3 or 4 hours as a group session.
Manual handling in sport can increase the risk of injuries, such as strains and sprains, due to improper lifting techniques or overexertion. Athletes and coaches should be educated on proper lifting and carrying techniques to prevent injuries during training or competition. Failure to follow correct manual handling practices can lead to both short-term and long-term consequences on an athlete's performance and overall well-being.
It depends what you are training for.
for a long time
About half a year
That all depends on the person and the size of the training manual. Some people read very fast where some are a bit slower and it takes longer to read a thick manual than a thin one.
watch batteries last for 1-2 years, check the manual
CNA training generally lasts about 2 years. You can read more at www.cnaonlineclasstraining.com and www.cnatrainingclass.com/
two weeks
Certified Nurse Assistant training usually lasts ten to twelve weeks.
Thre is no set training time for an aviation license course. Training competion is counted in hours. Between 200-400 hours is the minimum. Pilots training range from 400-800.
as long as its specific model's batteries last between charge's depending on the use of flash. read your phone manual
The length of time required for CDL driver training depends on the school that offers the training. The typical length of time is approximately three to four weeks.