Well, another name for businesses in the trade-only industry can't be contractors or retailers because contractors are people who enter into a contract or has a contract to perform certain tasks and retail is the sale of products or goods in small quantities to people for their own use. I think another name for businesses in the trade-only industry is suppliers. Hope this helped!
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Wouldn't the answer be dancing?
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A screen director does not relinquish control on opening night in the way that a stage director does. The director remains in control of pace, structure, builds and reactions as he or she works with the cinematographer and editor to stitch together a disparate collection of shots, score, sfx, cgi, audio, etc into a whole movie. The pauses, builds, responsiveness to an audience that actors read and manage on stage are the business of the director in a screen production. Once the actors have gone home there is still major work to do before it reaches the audience.
Try your best. And never give up its not hard.