app/views/shared/product/_qualifiers.html.erb
<% product.product_qualifiers.each do |pq| %>
<% if pq.qualifier %>
<span class="search-product-qualifier"><%= pq.qualifier.name + (pq.certifier.nil? ? _(";") : '') %></span>
<% end %>
<% if pq.certifier %>
<span class="search-product-certifier"> <%= _('cert. ') + pq.certifier.name + _(";") %></span>
<% end %>
<div style="clear: both"></div>
<% end %>