Laser spirit level. As well as the usual bubble in fluid,this spirit level has a battery-powered laser (far right) that can be used to more accurately measure how level a surface is | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Public Health England |
Taille de l’image : | 4331 px × 2836 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |