请求英文翻译达人帮忙 1 装饰垃圾堆放处 2 机房重地 闲人免进 3 禁止高空抛物?

Authorized persons only1. Decorative garbage dump
2. (如果“机房”是指放置机器的房间 )
或Important computer room. Important machine room. （如果“机房”是指放置计算机的房间）
3. Authorized persons only. No tossing from height

Machine room . No high altitude parabolic1, Staff only
3. Adornment garbage dump sites 这个是自己翻译的
2

1 decorative dump 2 machine room staff only 3 prohibited altitude parabolic
记得给分。