ILC 1 expanded class v3

      v3    by technique

v3  [:]	by technique, operation, production process, procedure  [engineering]
v30  [m30]	affected by pest
v31  [:]	through production stage
v31a	invention
v31d	design, project, plan
v31m	manufacturing
v31x	packaging
v32  [V]	in factory, farm, workshop, laboratory
v36  [V]	by worker, team  « mU
v3c	mechanical technology
v3ch	hydraulic technology
v3cp	pneumatic engineering
v3cu	vacuum technology
v3i	chemical technology
v3o	geotechnical technology
v3os	soil technology
v3t	electrical technology
v3v	electronic technology
v3x	nuclear technology
w3  [v3]	working by technology, mechanism, way

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind