Notice that he places his ladder on a level place on the floor. Additionally, he will take care never to stand on the very top rung of the ladder, which would greatly increase his chances of falling.
Pievērsiet uzmanību — viņš novieto kāpnes tādā vietā, kur grīda ir līdzena, turklāt viņš ne reizi neuzkāpj uz kāpņu augšējā kāpšļa, jo tas ievērojami palielinātu risku nokrist.