Is the ability of microscopes to maintain a slide in proper focus when changing magnification

Idont need this written for me but if someone could just come up with an example that can get the process started for me that would be ! research the consumer services industries in united states. choose any one of the consumer services companies and write an essay of about 500 words on how a diverse economy such as the united states can satisfy the needs of its consumers. consider different cultures and languages, services offered to lower socioeconomic populations, or services offered to disabled consumers or women. also analyze the challenges faced by the consumer service industry.