لَا صُنْعَ لِلْعَبْدِ فِي تَخْلِيقِهِ
The servant has no creative control over its origination.
Khalq denotes bringing an act or state into existence. Kasb names the servant’s attribution through will, choice, and acquisition. A single event can therefore be attributed to God as creator and to the human as responsible acquirer, in different respects.
Someone who deliberately smashes glass can be answerable for the act and its legal or customary consequences. But being answerable does not mean independently creating every originated property of the glass.