Role of personal selling and advertising in promoting industrial products

Tell me complete detail for Role of personal selling and advertising in promoting industrial products because I have recently joined a company as a sales candidate so I have to know it

[Pathak]

Personal selling is the process by which the representatives of the organisation (Management/ Manufacturing and Marketing) come in direct contact with the prospects (potential buyers) to convince and persuade them to purchase their products. Personal selling, along with other components of promotion mix and marketing mix, is a means to implement marketing plans and strategy.

For more details I am giving the pdf file. Use it purposefully.