Vahan 1 · Jan 13, 2017

Excellent job, outstanding, very responsive and presented required information just as described. THANK YOU!

for Equivalent Inertial Mass

Vytautas · Nov 21, 2016

It was great to work with Natali. She knows what she is doing. Natali provided me a detailed and easy to understand solution. Everything was precise, systematic and well argumented. Timing was great as well. Always nice to work with a good specialist!

for Scheme for electricity generator