Providing seminars, training, and education in the field of using fire resistant materials to seal penetrations, holes, and other openings in walls, floors and ceilings so as to retard the spread of fires

'ceil':25 'educ':5 'field':8 'fire':11,33 'floor':23 'hole':17 'materi':13 'open':20 'penetr':16 'provid':1 'resist':12 'retard':29 'seal':15 'seminar':2 'spread':31 'train':3 'use':10 'wall':22

Installation and maintenance of fire resistant materials used to seal penetrations, holes, and other openings in walls, floors and ceilings, so as to retard the spread of fires

'ceil':20 'fire':5,28 'floor':18 'hole':12 'instal':1 'mainten':3 'materi':7 'open':15 'penetr':11 'resist':6 'retard':24 'seal':10 'spread':26 'use':8 'wall':17

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