The space is naturally lit from above by the skylight, as well as the sliding glass door in the front of the structure, which is surrounded by an oak frame and retracts into a cavity in the wall.
空间自然利用上部的天光，以及建筑前面的滑动玻璃门，其四周是橡木框架并收缩为墙洞。
2
However faster filling speeds are often compromised by problems such as' gassing '- the burning of the melt front due to entrapment of cavity air.