Since the <e1>system</e1> is built up of many <e2>modules</e2>, each weighing less than 16kg, it can be easily transported and installed.
Since the system is
Since the system is built up of many modules, each weighing less than 16kg, it can be easily transported and installed.
<triplet> system <subject> modules <object> Component-Whole(e2,e1)