Textile machinery and accessories — Rings and travellers for ring
spinning and ring twisting frames — Part 1: Flange rings T and SF and
their travellers
Soil quality — Leaching procedures for subsequent chemical and
ecotoxicological testing of soil and soil-like materials — Part 4:
Influence of pH on leaching with initial acid/base addition
Physical and mechanical properties of wood — Test methods for small
clear wood specimens — Part 4: Determination of modulus of elasticity in
static bending — Amendment 1