{{ if isset $.Page.Params "schema" }}

schema

{{ range $key, $value := $.Page.Params.schema }} {{ $key }} {{ end }}
{{ end }} {{ if isset $.Page.Params "pcb" }}

PCB

{{ range $key, $value := $.Page.Params.pcb }} {{ $key }} {{ end }}
{{ end }} {{ if isset $.Page.Params "gerber" }}

gerber

{{ range $key, $value := $.Page.Params.gerber }} {{ $key }} {{ end }}
{{ end }}