public class Item_EffectThread implements Runnable{
	private Block_Break bb;
	private Field field;
	private Item item;
	public Item_EffectThread(Block_Break bb,Field field,Item item){
		this.bb = bb;
		this.field = field;
		this.item = item;
	    item.effect(field);
	}
	public void run(){
		try{
			Thread.sleep(10000);
			item.ef_return(field);
		}catch(InterruptedException e){
			
		}
	}
}