Over the years, the group has made stoves using mud, bricks, sheet metal, clay, ceramics and old oil drums. Most of the stoves look like large, deep cooking pots.
多年来，研究中心已经研制了使用泥土、砖块、金属薄片、粘土、陶瓷、旧油桶的火炉，大部分的炉子都像又大又深的饭锅。
All new COINS are made from sheet metal that comes delivered to the Mint in these large coils.
所有新发行的硬币制成的板材是来自发表在这些大型线圈的造币厂。
The roof made of trapezoidal sheet metal is covered with extensive greening, and was designed for the installation of a large-scale solar energy system.
梯形的金属板材制成的屋顶覆盖着大面积的绿化，且安装了大型的太阳能系统。
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