240 GENERAL SCIENCE 



3. To what special dangers are workmen exposed (a) in mines; (6) in bridge 

 building, and in the erection of great office buildings; (c) in railroad 

 shops; (d) in foundries? 



4. Name at least four extra-hazardous occupations for men employed indoors. 



5. Upon what day of the week have most accidents been found to occur? 

 What interpretation is placed upon this? What relation to this has the 

 lesson on Rest, Recreation, and Amusements? 



6. Make a list of devices that very suitably may be headed " For Safety First". 

 Make a list of short rules and regulations for the public designed to ac- 

 complish this same end. 



