 | Philippines - 1971 - 306 pages
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 | Robert E. Cornish - Health & Fitness - 1943 - 174 pages
...grain = usually .8 grain of troy weight; 1 carat = usually 3.2 grains of troy weight. TIME MEASURE 60 seconds (sec.) = 1 minute (min.) 60 minutes • = 1 hour (hr.) 24 hours = 1 day (d.) 7 days ^ 1 week (wk.) 4 weeks, 30 days, or 28, 29, "30, or 31 days = 1 month (mo.) 12 months,... | |
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TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24... 
