Hong Kong Regulations

FACTORIES AND INDUSTRIAL UNDERTAKINGS (ABRASIVE WHEELS) REGULATIONS - REGULATION 4

Exceptions

(1) Regulations 5, 6, 9(a) and (b) and 10 shall not apply to any
abrasive wheel manufactured of metal, wood or rubber and having any surface
consisting wholly or partly of abrasive material.

(2) Regulations 9(a) and (b) and 10 shall not apply to any abrasive  wheel
which consists wholly of abrasive particles held together by natural bonds.

(3) Regulation 5 shall not apply to any abrasive wheel having separate
segments of abrasive material.

(4) Regulations 5, 6, 8(1), 9 and 10 shall not apply to any abrasive wheel
which-

        (i)    does not exceed 235 millimetres in diameter;

        (ii)   is manufactured of rubber; and

        (iii)  has any surface consisting wholly or partly of abrasive
               material, when that abrasive wheel is used in a portable
               machine.

(5) Regulations 6, 8(1), 9 and 10 shall not apply to any abrasive  wheel when
it is used for the grinding of glass.

(6) Regulations 5, 6 and 10 shall not apply to any wheel, disc or saw to any
surface of which, in each case, is attached a rim or segments consisting of
diamond abrasive particles.