Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to seal concrete [title] Get your supplies ready. [step] You will need a broom or blower and a good concrete cleaner. For applying the sealer you will need a roller, a garden pump sprayer, or a pneumatic low pressure sprayer.

Ending1: For preparing sealant, you will need : [substeps] Paint. You need a different shade of paint than the other two categories used here, but you will use the same color as your concrete. Ending2: You will likely want to have a good pair of rubber gloves and wear eye protection. [title] Clean the surface of the concrete thoroughly. Ending3: You can order this at an auto parts store or make one yourself. [substeps] Attach the sprayer's valve to the back of the lawn hose. Ending4: You will also need : [substeps] An oil-free brush, primer, or sealer to ensure an even finish to the concrete after a hard, wet rinse. You will need two buckets of hot water.

Answer format: ending1/ending2/ending3/ending4