What electrical requirements matter for a commercial electric oven?

Please verify the following points and require itemized written supplier responses:（commercial oven oven-electric-install） Use dedicated circuits, breakers, residual current protection and grounding according to power, and calculate total load for multiple units. Keep units away from standing water and leave space for ventilation and service. Define capacity, accuracy, materials and operating environment before requesting quotes on a uniform basis. Request specification sheets, test reports, certificates, maintenance manuals and spare-part lists. During acceptance, verify appearance, dimensions, functions, safety protection and packaging, and keep test records. Do not compare unit price alone; include customization, freight, spare parts, after-sales support and downtime risk. Keep written records of inquiries, confirmations, FAT, acceptance and warranty commitments.