1. Please rest your desks and chairs against the wall.2. The old man sat down and rested his cane against the desk.3. I propped my bicycle against the wall.4. She leaned her back against the wall as the nurse measured her height.5. The vase leans against the wall because it is lopsided.
 rest something against/on prop something against rest on lean against請把桌椅靠牆放 = Please rest your desks and chairs against the wall.rest something on 跟 prop something against 都指把某東西靠在某處，lean against 指一個人靠著某處，用法如下:He leaned against me = 他靠著我She leaned her back against the wall = 她的背靠在牆上某物靠著某個地方也可用 lean against，如:The vase leans against the wall because it is lopsided = 擺在牆邊的花瓶因為重心不穩而斜靠在牆上
The thesis of your essay is completely bscured by your flowery language.