Commemoration:
For new can and just learning should not try " unload itself, the video is only to be practiced by the technicians only, what is done in the video is not as easy as you imagine if you think it wants to be cost-effective even nombok ato worse damage, for users enough so science only, leave it to the experts . damage and handling can be the same, but the results and fate must be different, different hands, different brains different thoughts certainly different results...