To move up or down the ladder, step by step by step. Do not move at three floors will cause they failed. But that will do anything, rather it little by little. Don't do anything that exceeds the ability or skip steps.
To step up or down stairs Step, step by step. Do not move it three floors To make a livelihood out. Like how to do anything. The hammer is gradually Do not do that too much. Or skip this step
To step up or down the stairs, step by step, step by step. Don't step one three-layer makes made tricky failed. Like no matter what you do, rather a go. Don't do anything to exceed the ability or ข้ามขั้นตอน .