1-8. Worker's   are   often   judged   by   the manner  in  which  they  handle  and care   for   their   tools. Your  own efficiency   will   be   improved   if   you follow   which   of   the   following steps? 1.   Organize   your   tools   so   that those   used   most   frequently   can be   reached   easily   without sorting   through   the   entire contents   of   the   tool   box 2.   Always   place   the   most   expensive tools   in   the   bottom   of   tool   box 3.   Clean   your   tools   at   the   end   of the   week   rather   than   after   each job 4.   Store   your   tools   on   high shelves   where   the   humidity   is lower 1-9. When   working   with   power   tools,   you should   follow   all   EXCEPT   which   of the'   following   procedures? 1.  Never  operate  any  power equipment   unless   you   are completely   familiar   with   its controls   and   features 2.   Never   try   to   clear   a   jammed power   tool   until   it   is disconnected   from   the   power source 3.   Before   connecting   a   power   tool to  a  power  source,  be  sure  the tool   switch   is   in   the   "ON" position 4.   Check   electrical   cables   and cords   frequently   for overheating 1-10. Safety   shoes   protect   and   prevent injury   or   loss   of   toes.   Some safety   shoes   are   designed   to   limit damage   to   your   toes   from   falling objects. What   is   usually   placed in   such   shoes   for   protection? 1-11. Proper   eye   protection   is   of   the highest   importance   for   all personnel. Eye   protection   is necessary  because  of  which  of  the following    hazards? 1.   Infrared   and   ultraviolet radiation 2.   Flying   objects   such   as   sparks, globules   of   molten   metal,   or chipped  concrete  and  wood 3.   Both   1   and   2   above 4.  Audio  vibrations 1-12. Protective   helmets   are   made   from which   of   the   following   materials? 1.    Polyethylene 2.   Polycarbonate 3.   Both  1  and  2  above 4.   Perineurium 1-13. Regular  hard  hats  must  be insulated   so   that   personnel   may   be protected   from   voltages   up   to   what maximum  amount? 1.    2.200   v o l t s 2.    3,000   volts 3.    5,000   volts 4.    9.000   volts 1-14. Electrical   workers   requiring   head protection   must   wear   safety helmets   which   are   capable   of withstanding   what   minimum   voltage proof-test? 1. 10,000   volts 2.    20,000   volts 3.    30,000   volts 4.   40,000   volts 1-15. Personnel    working    with    electricity are   usually   required   to   wear gloves  made  from  which  of  the following    materials? 1.   Nails 2.   Rubber 3.   Plastic 4.   Steel   plates 1.   Cloth 2.   Leather 3.   Nylon 4.   Rubber 2