Complex sentence: Billinge B, 60 He employed a number of techniques when gilding, including laying the leaf with water for burnished passages, and with oil or varnish sizing (mordant gilding) for the more decorative areas.
Split into simpler sentences: Billinge B, 60 He employed a number of techniques when gilding, to give different effects. These included laying the leaf with water for burnished passages, and with oil or varnish sizing (mordant gilding) for the more decorative areas.