Please choose the correct ending to complete the given sentence: Work World: [header] How to lay out a pole barn [title] Decide on the size of your building. [substeps] Consider what you plan to use the building for and how much room you require. Select the height, width and length of the project before laying out a pole barn.

Ending1: Determine how long the pole barn will be, if any. Larger barn structures will need fewer (not more) poles and 12-24 " window boxes (excluding chimneys). Ending2: Participants will need greater mobility to reach the building and be able to climb, so keep that in mind when deciding on the size of your building. Portable poles may be used in a lot of locations because they are the easiest to position and reach. Ending3: Then determine where you will lay out the building's foundation, building materials and an extension. If you intend to use your yard, you may need to contact your local cooperative extension office to obtain assistance. Ending4: Make blueprints of the barn or purchase a pre-measured pole barn kit. Every 12 feet (3.66 m) of length needs to have a 4 inch (10.16 cm) by 4 inch (10.16 cm) post as a brace when setting up a pole barn.

Answer format: ending1/ending2/ending3/ending4