using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DeviceLibrary
{
    interface ISafetyDevice
    {
        void Pause();
        void Resume();

    }
    class SafetyDevice
    {
        static List<ISafetyDevice> List = new List<ISafetyDevice>();
        public static void AddDevice(ISafetyDevice safetyDevice)
        {
            List.Add(safetyDevice);
        }
        public static void PauseAll() {
            List.ForEach(x => x.Pause());
        }
        public static void ResumeAll() {
            List.ForEach(x => x.Resume());
        }


    }
}