Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe

Monument to the Foundation of the Workers Party of Korea, Pyongyang, Democratic People's Republic of Korea (DPRK), North Korea, Asia

Monument to the Foundation of the Workers Party of Korea, Pyongyang, Democratic People's Republic of Korea (DPRK), North Korea, Asia

Llanfair Light Railway, Llanfair Caereinion, Welshpool, Powys, Wales, United Kingdom

Throwing the light hammer, Aboyne Highland Games, Aboyne, Scotland, United Kingdom, Europe

The Kamal factory in Bangalore, Karnataka, India that manufactures solar thermal panels for heating water.

A builder using an angle grinder

Multi-ethnic children playing soccer

Caucasian boy chopping log with axe

Sisters flexing muscles and holding hammers

Caucasian woman in yellow old-fashioned kitchen holding power drill

Oil rig drilling at sunset

Mixed Race woman resting on tire holding sledgehammer in gymnasium

Caucasian woman in yellow old-fashioned kitchen holding power drill

Hispanic woman shaping icing on cake

Mixed Race woman resting on tire holding sledgehammer in gymnasium

Worker chopping down a tree with a chain saw

IMPORTANT: Each publication requires a prior written approval by the museum! Electric kitchen mixer from the 50s, brand AEG, Power and Life Museum, Recklinghausen substation, Ruhr area, North Rhine-Westphalia, Germany, Europe

Worker chopping down a tree with a chain saw

Old connection box and a handsaw on a timber-framed wall, Neso, Mecklenburg Western-Pomerania, Germany, Europe

Photovoltaic system on the tool shed of a farm, with firewood stacked in the front, Kalchreuth, Middle Franconia, Bavaria, Germany, Europe

Rotary hammer drill

Accumulator screwdriver

A Logger Uses A Chain Saw To Cut Trees, Portland, Oregon, United States of America

Construction worker cleaning pipeline

Welder

Construction worker installing solar panel on roof

Construction worker installing solar panel on roof

Construction worker cleaning pipeline

Construction worker installing solar panel on roof