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Drill and learn about colours
Fitted with a 10" Nylon head and 5 pairs of tin jingles
One side of each cookie features a number from 1–20
60cm (length)
Aluminium Ammonium Sulphate Dodecahydra 500gm (each) Classroom Chairs Drill and learn about coloursA white crystalline double sulfate. Aluminum ammonium sulfate dodecahydrate acts as a crystalline double sulfate. It is used in water purification, in vegetable glues, in porcelain cements, in deodorant, in tanning and in fireproofing textiles. It serves as an ingredient in animal repellant sprays. Further, it is used in the preparation of Alum (Al(OH)3) gel. In addition, it is used in cosmetic formulation, fertilizers, food preservation and in the
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