Checking the furnace

Farmer inspecting the crop

an inspector talking on the phone while inspecting pipelines; whitecourt alberta canada

Map looking at a map

Old-fashioned train and conductor

NoneCrop consultant inspecting conventional till corn seedling at four to five leaf stage, soil is bedded to furrow irrigation; England, Arkansas, United States of America

Man inspecting pictures

Couple choose tile for renovations

Man does maintenance on his eaves

Engineers working on a plant

Tallying the scores

Men looking at fuse box

3d man inspecting a DNA chain with a magnifying glass.

A man inspecting carpet

Man and woman inspecting a building site

Illustration of a burglar inspecting a wall of keys

A man looking through a magnifying glass at computer code

A man using a magnifying glass to look at a puzzle piece

A man looking at the floor through a magnifying glass

A man looking at files using a magnifying glass

Industry & Technology -line art Glass manufacture, 18th century Illustration The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guarded their techniques

A woman having her eyes examined

Industry & Technology -line art (w4) Iron and steel making Illustration An early 19th century blast furnace - a furnace used to smelt iron ore in very high temperatures by using very hot compressed air.

Industry & Technology -line art Glass manufacture, 18th century Illustration The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guarded their techniques

Man inspecting furnace