activities of preparing vs activities of preparation[

Some examples from the web:

• Some states, for example, organize emergency response planning according to the management activities of preparing, responding and recovering.
• FSEs include those establishments primarily engaged in activities of preparing, serving, or otherwise making food available for consumption by the public such ...
• Those establishments primarily engaged in activities of preparing, serving, or otherwise making available for consumption foodstuffs and that use one or more of ...
• Invite students to mimic activities of preparing the soil for planting. Students form a single line and slowly move forward to the rhythms of the song pantomiming ...

Some examples from the web:

• The wide availability of the product within the area in question has encouraged related activities of preparation and packaging of the product as well as the establishment of processing plants to make the carrots into cubes or juices.
• The form of preparation of the product enables enzyme activity to be maintained during storage.
• Where the substance or preparation has inhibitory effects on the activity of micro-organisms, the possible impact on sewage treatment plants shall be mentioned.
• A report on the evaluation activities of the Commission is under preparation and should demonstrate the progress made.
• International Units are determined by comparison of the activity of the recombinant interferon alfa-2b with the activity of the international reference preparation of human leukocyte interferon established by the World Health Organisation.
• The new Member States should take part in the preparation of plans for neighbourhood policy implementation activities, ensure a higher degree of participation by national parliaments and increase the activity of NGOs.
• The establishment of partnerships and networks and the organisation of cooperation actions entail those activities normally found in the successive phases of preparation, implementation, evaluation and follow-up.
• Preparation of 3-phytase produced by Trichoderma reesei (CBS 528.94) having a minimum activity of:
• Preparation of Kluyveromyces marxianus var. lactisK1 having a minimum activity of: 1,0 × 108 CFU/g
• Preparation of 6-phytase produced by Aspergillus oryzae (DSM 11857) having a minimum activity of:
• Where the substance or preparation has inhibitory effects on the activity of micro-organisms, the possible impact on sewage treatment plants shall be mentioned.
• Each year the Administrative Manager shall assist with the preparation of the draft annual report on the activities of BEREC referred to in Article 3a(5).
• Preparation of 3-phytase produced by Penicillium funiculosum (CBS 111433) having a minimum activity of:
• Preparation of 6-Phytase produced by Schizosaccharomyces pombe (ATCC 5233) having a minimum activity of:
• Preparation of 3-phytase produced by Hansenula polymorpha (DSM 15087) having a minimum activity of:
• Preparation shall include familiarisation with activities of the organisation and with the environmental management system established there and review of the findings and conclusions of previous audits.
• Preparation of alpha-galactosidase produced by Aspergillus oryzae (DSM 10286) having a minimum activity of:
• Preparation of alpha-amylase produced by Bacillus amyloliquefaciens (CBS 360.94) having a minimum activity of:
• Where the substance or preparation has inhibitory effects on the activity of micro-organisms, the possible impact on sewage treatment plants should be mentioned.
• Preparation of 6-phytase produced by Pichia pastoris (DSM 15927) having a minimum activity of: