"On a simple level, you can use sheets or covers over areas where things might be damaged. You can put wax coating on things like brass so that the urine doesn't damage it."
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Border Points: Each cluster has a limited number of defined "border points" – these are the gateways in and out of the cluster.
But those enticed by the call of adventure must ensure they know what they're signing up for. Fresh food is scarce and alcohol is limited. And accommodation at BAS facilities is shared dormitories. Staff work a seven-day shift rota.，推荐阅读爱思助手下载最新版本获取更多信息