(i) Scriber

(ii) Spring divider

(iii) Centre punch (iv) Trammel

(v) Dot punch

(vi) Odd – leg caliper

SEE ALSO  If the concentration in mol/dm³ of potassium trioxonitrate is 6.44. Calculate the mass of salt that will dissolve in 100 cm³ of water [K = 39, N = 14, 0= 16]. - NABTEB QUESTION

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