The team faced a near-disaster a year ago when they discovered that the pigment particles in their inks were settling at the bottom of the storage containers, like sediment in a wine bottle.

• 一年前这个团队面对几乎彻底的失败，当时他们发现在他们墨水里的颜料颗粒沈淀在储存容器的底部，就像酒瓶里的沈积物。