How involved should a customer be in the pre-production, during production, and post-production phases?

Getting a product,which satisfies the customer's requirement is the key to the success of that product. Hence the customer have an important role in giving inputs during the pre-productin, like design,Strength,Material to be used,Cost of the product etc.The customer can conduct Quality Audits on the product during production,If there exist an agreement between the manufacturer and the customer.And if there is no such agreement,then customer should not interrupt or involve during the production and post production phases. 

pre production the basic contract and the final design marketing sales general manager production stage follow up to the implementation and application of the required ... And if there is no such agreement,then customer should not interrupt or involve during the production and post production phases.

OF ABOUT 2YEARS TO KNOW ALL THE STRATEGIES 

Involving the customers from the beginning of production helps elimintae the quality problems and the product will be manufactured as per the requirments of the customer and it will elimintae the wastes which add to the cost of quality. This will help customers to modify any design requirements at the beginning itself and which boosts the confidence of customers.

Getting a product,which satisfies the customer's requirement is the key to the success of that product. the involving for custmer begins in the firs stp of dealing for the product first in choosing product , matching the material and the design .

During pre-production, the script is broken down into individual scenes storyboards and all the locations, props, cast members, costumes, special effects and visual effects are identified. An extremely detailed schedule is produced and arrangements are made for the necessary elements to be available to the film-makers at the appropriate times. Sets are constructed, the crew is hired, financial arrangements are put in place and a start date for the beginning of principal photography is set. At some point in pre-production there will be a read-through of the script which is usually attended by all cast members with speaking parts, the director, all heads of departments, financiers, producers, and publicists.

Even though the writer may still be working on it, the screenplay is generally page-locked and scene-numbered at the beginning of pre-production to avoid confusion. This means that even though additions and deletions may still be made, any particular scene will always fall on the same page and have the same scene number.

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 There are three parts in a production: pre-production, production, and post-production. Pre-production ends when the planning ends and the content starts being produced.

I THINK YTHE CUSTOMER SHOULD BE ACTIVELY INVOLVED CAUSE HE OR SHE NEEDS TO MEET TARGET SO AS THE BEAT HIS BUSINESS AND AVOID MAN HOUR LOSS ON PRODUCTION EFFICIENCY