The desires to improve security in an uncertain world , and to mitigate damage to the environment , are also proving a boon for makers of locks and security systems , lighting and ducting , heating and air conditioning , and sanitary ware .
Check for air restriction in ducting or cooler screen .
检查管道或冷却器隔栅空气限制因素。
Finally , through a driving model established , I analysis the driving problem of the knowledge sharing , from the ducting of culture , the driving of encouragement , the guarantee of system and etc.
最后通过建立驱动模型,从文化的导入、激励的驱动和制度的保障等几个方面分析知识共享的驱动力问题。
Thermoplastics piping and ducting systems .
热塑性塑料管道和管道系统.
Expansion joints shall be incorporated into the ducting arrangement .