Work benches, clamps, handscrews, gluepots and all brushes shall be provided by the employer. The employer shall at his expense insure against loss or destruction by fire or as a result of burglary of the premises the tools of his employees normally used by them. Every employee shall be obliged to submit, when required, an inventory of the tools in his possession and shall further submit such information as may be required from time to time by the insurers in respect of the said tools, and shall keep his tools locked in a toolbox.