Joints must be in a ____ position Keep work ____ the body Avoid bending ____ A twisted trunk strains the ____ Alternate ____ as well as movements Avoid excessive ____ Avoid carrying out tasks above ____ level Limit the ____ of a load that is lifted Avoid carrying loads with ____ Use transport accessories such as ____

Principles of ergonomics

Ranglista

Vizuális stílus

Beállítások

Kapcsoló sablon

Automatikus mentés visszaállítása :?