Sentence:  When fast food chains open outlets in other countries, the architecture must frequently be modified to meet local conditions. The most unusual modification to date is Sweden's McSki, which provides <WSD>ski-thru</WSD> service so that skiers "can ski up to the counter and order their favorite McDonald's sandwich without missing a beat on the slopes." 
Meaning of the word marked with <WSD> tags:  Of a restaurant, shop, or other establishment or facility: providing service to skiers while they are still wearing their skis.