英语翻译

英语翻译
1.what services can our company provide?
……
act as project managers
只需要翻译后一句.意思虽然很简单明了,可是怎么用汉语表达这个意思才够精准合适?
2.these solutions are supplied through the provision of:training,consultancy services,project management and/or via the formation of joint venture enterprises in the host country.
请特别解释和说明下“the provision of ”这个词用哪个汉语词汇代替比较好
3.GSES is a consortium of renewable energy practicioners.
请翻译practicioners
4.how to plan and manage large turn-key system installation
5.GSES has developed a salls training course ,which was presented to Shell Renewable Lanka in October 1999