Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to have a green workplace [title] Use digital tools for office communications. [step] Send emails instead of sending out paper memos. Get to know programs like powerpoint for creating digital presentations rather than printing off packets of information.

Ending1: Many websites have websites that you can use and use to register and register your emails. Even if you can't use a computer, you can still design documents using microsoft office documents. Ending2: And if certain forms require signatures, try a service like docusign, which allows you to sign forms electronically. [substeps] Encourage employees to use laptops or smartphones to take notes during business meetings. Ending3: Many employees have external software, such as word processing applications, to make emails. [substeps] You can also get tools from other companies that offer business cards, pens, and similar materials, and use a period when you can deliver the message. Ending4: Any working class member of a green organization will benefit from a phone conversation, instead of sending out email blasts. [substeps] Make it a priority to sit down and discuss new communications hours in person.

Answer format: ending1/ending2/ending3/ending4