four-sided pool fencing

问题描述:

four-sided pool fencing
不要跟我说在四方形的游泳池加围栏什么的.可以举个例子吗?
Install Four-Sided Pool Fencing
Research has shown that using four-sided pool fencing can prevent 7 out of 10 pool drownings in children under the age of five years.Three-sided fencing encloses the pool but uses the house as the fourth side.Four-sided fencing recommendations for in-ground,above-ground and larger inflatable pools include the following:
The fence must go all the way around the pool.
The fence must be at least four feet high.
The fence must have a self-closing and self-latching gate.
The gate and fence should be designed to prevent climbing.

都没有上下文,靠猜的理解是:泳池周围必须围上的.比如加拿大就会要求对14岁或以下儿童Pools should have four-sided fencing with a self-closing,self-latching gate.没错,就是建议四周加围栏.如果是三边的围栏,就要...