labor cost and the cost of raw materials are short-run costs, but physical capital is not. players can quickly switch between nearby covering walls or jump over lower cover to rush forward. this makes it safer for home use. this makes the width of the track approximately equal to the length of an adult foot. this has been introduced when the plant was first built. rain created difficult climbing conditions on the day. but the people went on crying madly, "this instant, let none go out! scratch has a vision of himself being stabbed, twice. 