ii) During my deliberation to different customers throughout the visit, you must have carefully followed the functioning principles / basic features / design basics / selection criteria / differences of the various Air pollution Control equipment etc. Initially while visiting customers, only such details would be required which I am sure, you can take care now. At developed stage of any case, when more intrinsic technical details would be required, we are just a call / mail away. In case of finalization of any order, we can come down within a short notice.