course books for teaching engineering, mathematics, physics, chemistry, medicine, law, humanities, social sciences, and skilled trades such as contruction and product repair

'book':2 'chemistri':8 'contruct':19 'cours':1 'engin':5 'human':11 'law':10 'mathemat':6 'medicin':9 'physic':7 'product':21 'repair':22 'scienc':13 'skill':15 'social':12 'teach':4 'trade':16

educational computer software for teaching engineering, mathematics, physics, chemistry, medicine, law, humanities, social sciences, and skilled trades such as construction and product repair

'chemistri':9 'comput':2 'construct':20 'educ':1 'engin':6 'human':12 'law':11 'mathemat':7 'medicin':10 'physic':8 'product':22 'repair':23 'scienc':14 'skill':16 'social':13 'softwar':3 'teach':5 'trade':17

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