They passed on lighting fires, making stone tools, wearing clothes, decorating their bodies and all sorts of skills to do with living together as hunters and gatherers.
他们将点火，制造石器工具，缝纫衣服，在身体上绘画等等各种群居生存需要的技巧按照捕猎者和收集者的区分传递下来。
Coursework includes stagecraft, costume design, lighting, audio production, stage make-up, scenic painting, and other skills.
课程包括舞台艺术、服装设计、灯光、音响制作、舞台化妆、场景绘制和其他技能。
It is, says the company, easy to convert existing street lighting to an LED source because no electronics skills are required.
该公司表示，将现有的路灯换成LED的路灯应该很简单，因为不需要任何的电子学技术。
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