Passive And Active Voice

1.  Active

Surveyor helps determine the placement of roads, railways, reservoirs, dams, pipelines, retaining walls, bridges, and buildings

Passive

Determinethe placement of roads, railways, reservoirs, dams, pipelines, retaining walls, bridges, and buildings is helped by surveyor

2.  Active

Surveyors work with elements of geometry, trigonometry, regression analysis, physics, engineering, metrology, programming languages and the law.

Passive
  with elements of geometry, trigonometry, regression analysis, physics, engineering, metrology, programming languages and the law is worked by surveyor